Isn't MAG a system seller (at least according to Sony)??? ;-p
Anyway, neither will probably move a significant number of consoles. ME2 might move some (especially for people who want to try the game and ME1 and don't have a decent pc). I can't see MAG moving any consoles at all though.
starcraft: "I and every PS3 fanboy alive are waiting for Versus more than FFXIII.
Me since the games were revealed, the fanboys since E3."
Skeeuk: "playstation 3 is the ultimate in gaming acceleration"