I've just been reading up on the GTX560 and something dawned upon me. Wether its true or not.. time and maybe a bit of testing will discover that. If I'm right in my thinking though you might just find this interesting;

GTX560 Stats (rumored):

384 CUDA Cores, 8 PolyMorph engines
1GB GDDR5
820-875MHz stock GPU clock
4GHz memory
GPU core name: GF114

GTX460 stats:

336 CUDA Cores, 7 PolyMorph engines
1GB GDDR5
675MHz stock GPU, easily OCs to 850MHz on stock volts
3.6GHz memory
GPU core name: GF104

You are probably wondering where I'm going with all this, and heres where; Some of us will probably remember that the GTX460 physically has 8 PolyMorph engines, but only 7 are enabled, or as I prefer to look at it, the 8th PolyMorph engine is simply masked in BIOS code (yes this is totally possible). Now boys and girls imagine that 8th PolyMorph engine is "turned on" on the GTX460. What does that give us? 384 CUDA cores and 8 Polymorph engines. So to save on further technical details look at what we have here; The GTX560 could, in fact, be a rebadged GTX460 with that extra PolyMorph engine enabled. This theoretically means that if the 8th PolyMorph engine is simply masked in the BIOS code of a GTX460, theres nothing to say you couldn't (again in theory) put a GTX560 BIOS on your GTX460 and enable that other PolyMorph engine.

Discuss.