Price cut for the 360? Yes if no Natal packed in. PS3? They are trying to make a profit and the Slim + Price Cut will still help them for months to come (look at the recent charts they are beating the 360 by 40k+ on the worst of times for sales.) Wii? Doesn't need one has shortages for January, and I'm sure it will sell insanely well in the winter especially when Wal-Mart decides to throw in another gift card deal.
It's just that simple.