I'm mostly playing DS games right now: don't get in the way of classes too much. Puzzle Quest 2, FFTA2, Ouendan 2, EBA (secondplaythrough) Moon... and I just hit 80 hours on my TWEWY save.
You get the picture...
And I always make time for Rock Band when I can (just blew about 40 bucks on points for songs).
And today I was playing SoulCalibur IV since my only class ended early.
Needless to say, I jump a lot from title to title. Just recently, I started playing Order of Ecclesia, and then I got to the final boss, and started playing Portrait of Ruin (I just beat that a week ago, and have yet to finish Ecclesia, though that may be the DIFFICULTY of it).
My mood determines what games I'm playing more than anything.