The USA is the last stronghold of the X360... Considering the significant price difference between the PS3 and the X360, if Microsoft loses the US... it might be very very bad...
Competition is good... remember when Blu-ray was fighting against HD-DVD? You could get new BR-Ds for dirt cheap or really amazing promotions... but now... when it's king of the hill... nothing... :/
I am a Gamer... I play games and not consoles. I have a PC and Console on which I game... I like games. End of Story!