Tom Paxton said that "some people you don't have to satirize: you just quote them." that's the operating theory behind Fundies Say The Darndest Things, a site devoted to pulling quotes off of websites and comment pages and holding them up to ridicule. Some of the "fundies" are actually really dumb atheists, too (sorry, there doesn't seem to be a way to link to individual posts, not that I can tell, anyway): anyone who's clueless but nonetheless wedded to an inflexible truth....
They also have a blog, which includes extra tidbits like movies which feature Jesus as an action hero.
Update: on the other side, to be a little fair, a conservative's collection of The 40 Most Obnoxious Quotes For 2005. A few of them are entirely non-partisan offenders; being a conservative list, though, there's quite a few which are only offensive if you ignore both conservative statements of equal or greater disrepute and the fact that they are responses to thoroughly objectionable and disturbing events. [via Grant Jones, who's right about this story, and I'm very glad to hear someone on his side of the aisle say it]
Something for Everyone Update: And, thanks to Chris Bray, here's a collection of Mystery Men Movie Quotes that is part of a massive archive of quotable movie lines.