My top two are http://nedroid.com/ http://pbfcomics.com/ After that I like these 3 a lot http://www.smbc-comics.com/ http://www.viruscomix.com/subnormality.html http://www.spaceavalanche.com/ What are yalls favorites?
http://existentialcomics.com/ these are always fun too if you're into philosophy mixed with pop culture lol