This generation hasn't even started properly and ppl are already making bold statements.
Anything can happen in the next few years.
We are seeing emergence of "PC consoles" with Steam machines. It might catch on in a few years.
Also, Apple might just decide to pack a gamepad with the next iteration of apple TV. New contender?
Maybe the Wii crowd will finally get tired of their old console and get Wii U's, since it's a good value proposition (they keep their wii games and accessories).
Also, how big will the market be? With all the late blooming of 360 and PS3, how many will be ready and willing to embrace the new generation in the next 2-3 years? Maybe none of the consoles will be able to break the 100m mark?

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