The Fashion Swat articles on Somethingawful are perhaps some of the funniest things I’ve ever read on the internet. I mean laugh out loud, can’t breathe, crying laughing.
Fun casual flash/java gaming: Jay is games
My favourite web comic: Two Lumps
A long-time favourite: Engrish.com (possibly NSFW language)
Cool Photoshop contests: Worth 1000
Cool Photoshop and Flash tutorials: Phong (needs Flash enabled)
For gadget heads like me: Engadget
Awesome pics and information of space-related stuff: NASA Astronomy Picture of the Day