why does online matter so much for this game?
It is very casual, and casuals play these types of games with friends when they come over. Online will have very little affect on Wii sales. This game will sell quite well(especially in others) and will sell well until Mario Tennis arrives.
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