Sharepoint-like is fluid width with 2 columns and validates as XHTML 1.0 Strict. The page at drupal.org says fixed width but the theme is fluid when used on this page.

This version is 6.x-1.1 from 2008-Jan-31, a 101.27 KB download, and validates as CSS at both levels 2.1 and 3. TV says it complies with WCAG AA and US 508. Wave did not detect accessibility errors. Cynthia Says it is WAI compliant as far as a computer can check.