D-Joe said:

we only know 360 number,who know others over/undertracked how much

PS3 - 267,000
Wii - 320,000

TheSource said "Wii and PS3 figures for January have surfaced in Japanese articles covering the industry."

Good reading: http://gamrfeed.vgchartz.com/story/84142/npd-totals-usa-video-game-revenue-for-january-2011/