+MGS3 (One of my all time favorites - Amazing plot, characters, addictive gameplay, amazing graphics and Soundtrack).
-GTA3 (Boring ass story, and I don't like to go around mindlessly killing stuff in video games, that's what real life is for)
Bet with Dr.A.Peter.Nintendo that Super Mario Galaxy 2 won't sell 15 million copies up to six months after it's release, the winner will get Avatar control for a week and signature control for a month.