I think Mario and Sonic is the sole reason we are seeing sega make better games again. They had been broke ever since the dreamcast days... they finally have a financial mega success under their belt to give themselves some working capital.
End of 2009 Predictions (Set, January 1st 2009)
Wii- 72 million 3rd Year Peak, better slate of releases
360- 37 million Should trend down slightly after 3rd year peak
PS3- 29 million Sales should pick up next year, 3rd year peak and price cut