Nintendo Videogame Sales Rebound in December 2009
January 5th, 2010
| Categories: News
-Wii consoles over 3 million units sold in U.S. December 2009 vs. 2.15 million in 2008 (Note: $50 price cut to $199 in September)
-New Super Mario Bros Wii sold nearly 4 million units to date in U.S.
-DS and DSi will post all time calendar year U.S. record for a console
Source

New Super Mario Bros Wii is now the fastest selling game to hit 10 million on a single console. http://news.vgchartz.com/news.php?id=6540
I kind of predicted this with my Gamestop channel checks in December.