Eh but wait. All these can go out to HD resoloutions, so if you have a HD ready TV your going to get a boost straight away, so there Setishock as they can go to full HD res
I personally think PS3 is going to win. It has the best hardware and so best ideas willl probably come to it (better physics capability, etc, because of the CELL) haven't seen much of Xbox 2 though I was dissapointed at teh Need For Speed clips...
The ps3 demos just knocked me away in disbelif though, amazing! and all of them would have been rendered in real time