Does WCAG 2.0 allow tables for layout, I can't see anything in the guidelines saying you can't but this suprises me.
http://www.w3.org/TR/WCAG20-TECHS/H73.html
Although WCAG 2 does not prohibit the use of layout tables, CSS-based layouts are recommended in order to retain the defined semantic meaning of the HTML table elements and to conform to the coding practice of separating presentation from content