Can't be arsed to read through these 7 pages so apologies if someone has already debunked this rumour before me.
Firstly IBM have confirmed that it's a Power7-based CPU, not a PowerPC CPU.
And secondly having 768 megabits of eDRAM (96 Megabytes) on-die is not going to happen for two reasons: 1) It's going to result in a HUGE GPU and 2) It's going to cost a small bloody fortune.
It's likely to be a modified Power7 tailored to gaming with four or five cores disabled and 16Mb eDRAM. If they've decided on a triple core then there'll be some beneficial trade-offs likely to be a clockspeed of 3.0GHz or more and perhaps 24-32Mb of eDRAM. Either way it's going to be considerably more powerful than the Xenon and Cell. We're talking about a Power7-based chip here. Whether they opt for three or four cores we can expect 1 core to be reserved for the system with developers having access to the rest.
The GPU has been confirmed to be a modern Radeon HD so we're looking at anything from the 4000 series onwards with twice the bandwidth as the X1900 in the 360 and the 7800 GT in the PS3 thanks to a 256 bit bus and unless Nintendo completely lose the plot no less than 1Gb of GDDR3.
The U is going to be 4 or 5 times more powerful than the PS3 and 360.
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