look at these screenshots - unreal 3 engine due to run on MID-RANGE pcs in 2006! Doesnt look too bad. And that 2 million poly model is insane... (yeah yeah i know its not used in the game lol). The blooms look sweeeet
http://www.unrealtechnology.com/flash/technology/ue30.shtml
http://www.unrealtechnology.com/flash/technology/ue30.shtml