http://www.chipworks.com/blog/technologyblog/2013/02/04/looking-at-the-wii-u-graphics-processor/
http://www.eurogamer.net/articles/df-hardware-wii-u-graphics-power-finally-revealed
Thought it was interesting being a technology guy, not posting this to pass judgement on the Wii-u, just sharing what I found as i didn't see it mentioned here.