the trailer looks pretty cool.
http://www.painkillergame.com/ go to downloads and then to trailers... click the small one, otherwise you'll have to d/l it through some other site.
d/ling the demo now.. i think the graphics are probably on the same level that doom3, and half life 2 are going to be.. the minimum requirements are 1.5ghz, and 384 mbram, recommended i believe is 2.5 ghz and 512mbram