PS3 will sell word wide in total 4.5 million consoles for December.
Wii will sell world wide in total 7 million consoles for December.
X360 will sell world wide in total 3 million consoles for December.
^ I just made those numbers up but we get the picture. Wii, PS3 and then 360. It is not rocket science to work out which systems will be first, second and third.