I've been working on comparisons of the WCAG 1.0, WCAG 2.0, and Section 508. I thought a few of my readers might find the results interesting, so I've posted it. Due to theme limitations, I found it easier to give it its own page. Go take a look at the Accessibility Comparisons. Please note, this project isn't finalized. The document will be updated as I have time. This work is based on Comparison WCAG and Section 508 Web - http://www.jimthatcher.com/sidebyside.htm