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Don't really have any "favorites", just some that I visit daily for a variety of different information. However when I want a laugh I just check out failblog.org
XKCD
Failblog, Graphjam, etc (All of the sites of the Cheezeburger network)
Today's Big Fail
BBC for news
HackMii is always an interesting read for tech nerds.
Kotaku and Joystiq in equal measures for my gaming news.