I have always been a HUGE fan of web development for accessibility (not with this site, unfortunately). If I can help just a handful of people read my site, or allow search engines a better chance of finding my content…I’ll do it!
Recently, one of the best articles on the “other” benefits of Accessibility has appeared on sitepoint.
Be sure to check out Part 1: Increased Usability and Part 2: Better Search Ranking. This is required reading! 😉