The Official NPD Dec 2010 Thread (Nov 28-Jan 1, data at 6:30 PM ET)

[Nintendogamer]

Kenology said:

I wonder how much lower Wii is.  It has some cushion, so it'll def be over 3mil I hope.  PS3 should definitely be above a million.

Wii could be around 3.3M down 510K but still over 3M, PS3 could be below 1M, maybe 989K, but it's more likely to be over 1M.