Also, the Wii is most likely sold out. As it has been since WiiFit(and imo before that) so you can't say brawl did not push many consoles, we really can't know for sure if their is high demand for Brawl by non wii owners for a while.
Also, from all reports WiiFit is still completely sold out.
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