But at GDC there have been a few awesome demos that show what upcoming game engines are capable of on PCs via http://www.youtube.com/watch?v=YHNWj8HmWwQ&feature=player_embedded, http://link.brightcove.com/services/player/bcpid15253964001?bckey=AQ~~,AAAAAFiRrus~,m1kMQiNjWmFHvuRG3RmDbrYX8g-s3R3n&bctid=810974979001, and http://www.youtube.com/watch?v=n3XeCHywNYM&feature=player_embedded#at=13 (unfortunately a cam version). (I found the vids though http://www.pcauthority.com.au/News/250462,opinion-how-the-pc-is-making-consoles-look-out-of-date.aspx.)
It'll be interesting to see how for Bethesda's new engine can be pushed on gaming PCs....