If you want to try something a little different, and kind of "artistic" I guess, give htoL#NiQ a shot. It's a pretty hard, dark puzzle game, with lovely graphics, beautiful OST and great story and story-telling.
If you like rhythm games, DJMax Technika Tune is a nice game with some very rewarding trophies.
Lastly, for some action, and also difficult trophies, Soul Sacrifice is a great game similar to Monster Hunter.
Have fun!