Wii should take it, and despite PS3 and 360 having the cool new peripherals the tradition of Wii getting a bigger lift out of the holidays could extend that lead.
Interestingly over the time PS3 has been on the market the pattern has been for PS3 and 360 to alternate between which system comes second in a calendar year. Unless Kinect shifts an incredible number of 360s for MS this could be the first year PS3 comes second 2 years running. Kinect is still such an unknown quantity in terms of ability to sell 360s. I think it'll sell well in itself, but whether it'll drive 360 sales to the point that it takes the worlwide weekly lead on a consistent basis is something else.
With price cuts coming for all 3 consoles in 2011 it'll be interesting, but with PS3 still being seen as the expensive console (because it lack a $200 or less sku) a price cut for PS3 could give it the bigger sales boost and hence PS3 could be the number 1 console for 2011.
Someone needs to bump that thread predicting Kinect would make 360 the number 1 selling console for the rest of the generation. It's always good to serve a bit of crow from those threads, it's just we don't yet know who's going to be eating it.
“The fundamental cause of the trouble is that in the modern world the stupid are cocksure while the intelligent are full of doubt.” - Bertrand Russell
"When the power of love overcomes the love of power, the world will know peace."
Jimi Hendrix
