360 actually sold 40k more this week than the Wii did in the same week last year. Nintendo had higher sales thougout the year, and higher demand worldwide, but production was also much higher.
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