OT.com
Ripplin's quiz page
MusicFromOuterSpace.com (I'm using my new electrical engineering skillz to build my own old-school analog synthesizer)
Cracked
ClubDevo.com
Bad Astronomy
Saturday Morning Breakfast Cereal
The Something Awful Forums
sometimes the Unfiction forums (to see what people are posting about Marble Hornets)
RogerEbert.com
I'm sure there are more, I just can't think of them at the moment.