VEry nice. Plays fast on my GF4, athlon 1ghz, but I decided to setup a server myself. Once about 8 ppl joined it got a bit jerky..
Still playable tho..
Not that much different from unreal 1, except everythings got super hi-res geometry and textures. No amazing technology jumps out.. Theres no decent shadows, or any special lighting, just nice graphics, and nice gameplay.