dirty proverbs goes for the more...obscure....*laughz
Non Sequitor is a fantastic cartoon, and 9 years worth of archives are online so thats when i'm go when i'm bored
Somethings Awful Is always good for a laugh, particualry awful link of hte day.
This SIte is by far the best on the internet
Megatokyo Is imho, the best webcartoon, and the forums will give you something harder to 0wn dham
ZZZ Online Is a relaly intersting site too.