it would be alot harder for microsoft to leave the games industry because of xbox live (same for sony with psn) . Thses online services really make it harder for either company to leave . Nintendo on the other hand ...
End of 2012 prediction:
xbox 360 : 73-75 million playstation 3 : 72-74 million wii : 104-105 million
Most hyped for :
Bioshock: infinte, The Last Of Us, Alan Wake's American Nightmare and Agent