diff --git a/changelog/v0.6.0.md b/changelog/v0.6.0.md
index ea29961..7dd7ea7 100644
--- a/changelog/v0.6.0.md
+++ b/changelog/v0.6.0.md
@@ -12,3 +12,7 @@
 - Status bar simplified: removed Auth0 ID and email, kept logout and action buttons
 - AG Grid styled to match VS Code dark theme with custom colors, scrollbars, and context menus
 - Homepage query showcase replaced screenshot with teal-accented cheatsheet cards
+- Tags column uses hash-derived pastel colors with tiny tag icons, memoized per tag string
+- Middle-click table rows to open document in a new tab
+- Default columns for new users: Ticker, Form, Company, Tags, Description, Date Filed, Size
+- Table cell text vertically centered in rows
diff --git a/src/app/components/welcome-modal/changelog.ts b/src/app/components/welcome-modal/changelog.ts
index 7535f48..4385102 100644
--- a/src/app/components/welcome-modal/changelog.ts
+++ b/src/app/components/welcome-modal/changelog.ts
@@ -26,6 +26,10 @@ export const CHANGELOG: ChangelogEntry[] = [
           'Status bar simplified: removed Auth0 ID and email, kept logout and action buttons',
           'AG Grid styled to match VS Code dark theme with custom colors, scrollbars, and context menus',
           'Homepage query showcase replaced screenshot with teal-accented cheatsheet cards',
+          'Tags column uses hash-derived pastel colors with tiny tag icons, memoized per tag string',
+          'Middle-click table rows to open document in a new tab',
+          'Default columns for new users: Ticker, Form, Company, Tags, Description, Date Filed, Size',
+          'Table cell text vertically centered in rows',
         ],
       },
     ],
diff --git a/src/app/features/filings/components/filing-results-grid.component.ts b/src/app/features/filings/components/filing-results-grid.component.ts
index 06257f2..1b5b213 100644
--- a/src/app/features/filings/components/filing-results-grid.component.ts
+++ b/src/app/features/filings/components/filing-results-grid.component.ts
@@ -32,6 +32,45 @@ ModuleRegistry.registerModules([AllCommunityModule]);
 
 const GRID_STATE_KEY = 'filing-grid-column-state';
 
+function hash32(str: string): number {
+  let h = 2166136261 >>> 0;
+  for (let i = 0; i < str.length; i++) {
+    h ^= str.charCodeAt(i);
+    h = Math.imul(h, 16777619) >>> 0;
+  }
+  return h;
+}
+
+function mixHash(a: number, b: number): number {
+  let h = a ^ b;
+  h = Math.imul(h ^ (h >>> 16), 0x45d9f3b) >>> 0;
+  h = Math.imul(h ^ (h >>> 16), 0x45d9f3b) >>> 0;
+  return h ^ (h >>> 16);
+}
+
+const tagColorCache = new Map<string, string>();
+
+function tagColor(str: string): string {
+  const key = str.trim().toLowerCase();
+  let color = tagColorCache.get(key);
+  if (color) return color;
+
+  const h = mixHash(hash32(key), hash32('14'));
+  const hue = (h % 360 + 360) % 360;
+  const sat = 68 + ((h >> 8) % 22);
+  const lig = 74 + ((h >> 16) % 10);
+  const s = sat / 100, l = lig / 100;
+  const a = s * Math.min(l, 1 - l);
+  const f = (n: number) => {
+    const k = (n + hue / 30) % 12;
+    const c = l - a * Math.max(-1, Math.min(k - 3, 9 - k, 1));
+    return Math.round(255 * c).toString(16).padStart(2, '0');
+  };
+  color = `#${f(0)}${f(8)}${f(4)}`;
+  tagColorCache.set(key, color);
+  return color;
+}
+
 interface ColumnInfo {
   colId: string;
   headerName: string;
@@ -388,6 +427,22 @@ export class FilingResultsGridComponent implements OnInit {
   columnList = signal<ColumnInfo[]>([]);
   headerContextMenu = signal<{ x: number; y: number; colId: string; headerName: string } | null>(null);
 
+  @HostListener('mousedown', ['$event'])
+  onMouseDown(event: MouseEvent): void {
+    if (event.button !== 1) return; // only middle click
+    const row = (event.target as HTMLElement).closest('.ag-row');
+    if (!row) return;
+    // Prevent browser auto-scroll and AG Grid's middle-click handling
+    event.preventDefault();
+    const rowIndex = row.getAttribute('row-index');
+    if (rowIndex == null) return;
+    const rowNode = this.gridApi?.getDisplayedRowAtIndex(Number(rowIndex));
+    const filing = rowNode?.data as Filing | undefined;
+    if (filing?.accessionNumber) {
+      window.open(`/filings/document/${filing.accessionNumber}/1`, '_blank');
+    }
+  }
+
   @HostListener('contextmenu', ['$event'])
   onHostContextMenu(event: MouseEvent): void {
     const headerCell = (event.target as HTMLElement).closest('.ag-header-cell');
@@ -437,6 +492,7 @@ export class FilingResultsGridComponent implements OnInit {
 
   /** Base column definitions — order/widths/visibility may be overridden by saved state */
   private readonly baseColumnDefs: ColDef<Filing>[] = [
+    // --- Default visible columns (in order) ---
     {
       field: 'ticker',
       headerName: 'Ticker',
@@ -450,6 +506,12 @@ export class FilingResultsGridComponent implements OnInit {
         return span;
       },
     },
+    {
+      field: 'formType',
+      headerName: 'Form',
+      width: 90,
+      cellStyle: { color: '#61afef', fontWeight: '500' },
+    },
     {
       field: 'companyConformedName',
       headerName: 'Company',
@@ -457,16 +519,43 @@ export class FilingResultsGridComponent implements OnInit {
       flex: 1,
     },
     {
-      field: 'formType',
-      headerName: 'Form Type',
-      width: 110,
+      field: 'tags',
+      headerName: 'Tags',
+      width: 180,
+      sortable: false,
+      filter: false,
       cellRenderer: (params: ICellRendererParams) => {
-        if (!params.value) return '';
-        const span = document.createElement('span');
-        span.textContent = params.value;
-        span.style.cssText =
-          'display:inline-block;padding:1px 6px;font-size:10px;font-weight:500;background:#0e639c;color:white;border-radius:2px;';
-        return span;
+        if (!params.value?.length) return '';
+        const container = document.createElement('div');
+        container.style.cssText = 'display:flex;align-items:center;gap:6px;flex-wrap:nowrap;overflow:hidden;';
+        for (const tag of params.value) {
+          const color = tagColor(tag);
+          const item = document.createElement('span');
+          item.style.cssText = `display:inline-flex;align-items:center;gap:3px;white-space:nowrap;color:${color};font-size:12px;`;
+          // Tiny tag icon (SVG)
+          const svg = document.createElementNS('http://www.w3.org/2000/svg', 'svg');
+          svg.setAttribute('width', '10');
+          svg.setAttribute('height', '10');
+          svg.setAttribute('viewBox', '0 0 24 24');
+          svg.setAttribute('fill', 'none');
+          svg.setAttribute('stroke', color);
+          svg.setAttribute('stroke-width', '2.5');
+          svg.setAttribute('stroke-linecap', 'round');
+          svg.setAttribute('stroke-linejoin', 'round');
+          svg.style.cssText = 'flex-shrink:0;';
+          const path = document.createElementNS('http://www.w3.org/2000/svg', 'path');
+          path.setAttribute('d', 'M12.586 2.586A2 2 0 0 0 11.172 2H4a2 2 0 0 0-2 2v7.172a2 2 0 0 0 .586 1.414l8.704 8.704a2.426 2.426 0 0 0 3.42 0l6.58-6.58a2.426 2.426 0 0 0 0-3.42z');
+          svg.appendChild(path);
+          const circle = document.createElementNS('http://www.w3.org/2000/svg', 'circle');
+          circle.setAttribute('cx', '7.5');
+          circle.setAttribute('cy', '7.5');
+          circle.setAttribute('r', '1');
+          svg.appendChild(circle);
+          item.appendChild(svg);
+          item.appendChild(document.createTextNode(tag));
+          container.appendChild(item);
+        }
+        return container;
       },
     },
     {
@@ -482,128 +571,126 @@ export class FilingResultsGridComponent implements OnInit {
       valueFormatter: (params: ValueFormatterParams) =>
         params.value ? new Date(params.value).toLocaleDateString('en-US', { year: 'numeric', month: 'short', day: 'numeric' }) : '',
     },
+    {
+      field: 'size',
+      headerName: 'Size',
+      width: 100,
+      valueFormatter: (params: ValueFormatterParams) => {
+        if (!params.value) return '';
+        const kb = params.value / 1024;
+        if (kb < 1024) return `${kb.toFixed(0)} KB`;
+        return `${(kb / 1024).toFixed(1)} MB`;
+      },
+    },
+    // --- Hidden by default ---
     {
       field: 'datePublished',
       headerName: 'Date Published',
       width: 130,
+      hide: true,
       valueFormatter: (params: ValueFormatterParams) =>
         params.value ? new Date(params.value).toLocaleDateString('en-US', { year: 'numeric', month: 'short', day: 'numeric' }) : '',
     },
-    {
-      field: 'tags',
-      headerName: 'Tags',
-      width: 180,
-      sortable: false,
-      filter: false,
-      cellRenderer: (params: ICellRendererParams) => {
-        if (!params.value?.length) return '';
-        const container = document.createElement('div');
-        container.style.cssText = 'display:flex;align-items:center;gap:4px;flex-wrap:nowrap;overflow:hidden;';
-        for (const tag of params.value) {
-          const span = document.createElement('span');
-          span.textContent = tag;
-          span.style.cssText =
-            'display:inline-block;padding:1px 6px;font-size:10px;font-weight:500;background:#333333;color:#a0a0a0;border-radius:3px;white-space:nowrap;';
-          container.appendChild(span);
-        }
-        return container;
-      },
-    },
     {
       field: 'accessionNumber',
       headerName: 'Accession #',
       width: 200,
+      hide: true,
       cellStyle: { fontFamily: "'SF Mono', 'Fira Code', monospace", fontSize: '12px' },
     },
     {
       field: 'centralIndexKey',
       headerName: 'CIK',
       width: 100,
+      hide: true,
     },
     {
       field: 'relationship',
       headerName: 'Relationship',
       width: 130,
-    },
-    {
-      field: 'size',
-      headerName: 'Size',
-      width: 100,
-      valueFormatter: (params: ValueFormatterParams) => {
-        if (!params.value) return '';
-        const kb = params.value / 1024;
-        if (kb < 1024) return `${kb.toFixed(0)} KB`;
-        return `${(kb / 1024).toFixed(1)} MB`;
-      },
+      hide: true,
     },
     {
       field: 'documentCount',
       headerName: 'Docs',
       width: 80,
+      hide: true,
     },
     {
       field: 'fileNumber',
       headerName: 'File #',
       width: 120,
+      hide: true,
     },
     {
       field: 'filmNumber',
       headerName: 'Film #',
       width: 120,
+      hide: true,
     },
     {
       field: 'isAmendment',
       headerName: 'Amendment',
       width: 110,
+      hide: true,
       valueFormatter: (params: ValueFormatterParams) => (params.value ? 'Yes' : 'No'),
     },
     {
       field: 'isAmended',
       headerName: 'Amended',
       width: 100,
+      hide: true,
       valueFormatter: (params: ValueFormatterParams) => (params.value ? 'Yes' : 'No'),
     },
     {
       field: 'amendedAccessionNumber',
       headerName: 'Amended Accession #',
       width: 200,
+      hide: true,
     },
     {
       field: 'amendmentAccessionNumber',
       headerName: 'Amendment Accession #',
       width: 200,
+      hide: true,
     },
     {
       field: 'sponsorCIK',
       headerName: 'Sponsor CIK',
       width: 120,
+      hide: true,
     },
     {
       field: 'fileName',
       headerName: 'File Name',
       width: 180,
+      hide: true,
     },
     {
       field: 'snowflakeId',
       headerName: 'Snowflake ID',
       width: 160,
+      hide: true,
     },
     {
       field: 'noDocument',
       headerName: 'No Document',
       width: 120,
+      hide: true,
       valueFormatter: (params: ValueFormatterParams) => (params.value ? 'Yes' : 'No'),
     },
     {
       field: 'isEmpty',
       headerName: 'Empty',
       width: 90,
+      hide: true,
       valueFormatter: (params: ValueFormatterParams) => (params.value ? 'Yes' : 'No'),
     },
     {
       field: 'id',
       headerName: 'ID',
       width: 80,
+      hide: true,
     },
   ];
 
diff --git a/src/styles.css b/src/styles.css
index 89a8b56..9881b75 100644
--- a/src/styles.css
+++ b/src/styles.css
@@ -176,6 +176,12 @@ body {
   cursor: pointer;
 }
 
+/* AG Grid cell vertical centering */
+.ag-cell {
+  display: flex !important;
+  align-items: center !important;
+}
+
 /* AG Grid header text uppercase */
 .ag-header-cell-text {
   text-transform: uppercase;