Update:

> What specs? I don't think we have any for this Power Architecture
> chip yet, except that it has more than one core and is manufactured
> in a rather conservative build process

Fresh rumours on the Wii U's processor from 4 days ago:

* quad-core
* 3 GHz

http://wiiudaily.com/2011/12/wii-u-has-quad-core-3ghz-cpu-768-mb-of-ram/