Other than the regular gamut of sports websites and message boards:
http://www.onemorelevel.com - Flash minigames
http://www.worth1000.com - photoshopping contests
http://www.techcomedy.com - I love to hate my chosen profession
http://obscurestore.typepad.com/ - Chronicling human stupidity
http://www.actsofgord.com - More human stupidity, from BC, go figure.
http://chroniclesofgeorge.nanc.com/ - When idiots try tech support
http://www.wikipedia.com - Free encyclopedia