I go where the games are, man. Believe me, I'd much rather have not bought one (my dislike of MS is well documented), but I got tried of waiting on games to show up months or years later on the PC, or sometimes not even at all...
That is a great way to look at it - same reason I shelled out the money for a PS2 for the GTA series.
I have tons of games though, but it seems the more games I acquire, the less time I have to play them...with the nice weather, I have less than 30 minutes a day to play.
Gun Control isn't about guns. It's about control.