The Wii isn't even supposed to be in this thread.
EDIT: Hoorah! Over 200 posts! I am now a "Member" instead of "Regular!" Where's my jacket?
My End of 2008 Hardware Predictions (console only):
Wii : 50 million
360: 28 million
PS3: 24 million
These predictions were made on January 3rd and won't be revised