Wii has NEVER sold less than 2m in December.

[aimancooper]

Now when Wii U and 3DS is out, Nintendo Wii will be a flop this christmas if you compare with the other years! :)
But I think it'll sell around 800K-900K!

PS Vita will sell like 600K and 3DS 1.2m and Wii U I think like 1m+