well, since I forgot which anime I watch and which not, I'll just mention the recent ones:
Code GEASS(I laughed at Ep 22, higurashi style)
Zero no Tsukaima(Inuuuuu!)
Shakugan no Shana(urusai urusai urusai!)
Melancholy of Suzumiya Haruhi(you don't see a god jump kick a random guy everyday)...