Red Dead Redemption, Skyrim, Portal 2, Mass Effect 2, Assassin's Creed 2, Fallout 3, Mafia 2, Heavy Rain, Crysis 2, Far Cry 2, Mirror's Edge etc etc. depends on what sort of games you're into, I guess.
Portal 2 and Crysis 2 were released early this year, and Skyrim was only just recently...