I've got a 3 year old Athalon 2200 with a 256Mb RADEON 9550 and 1Gb RAM it runs reasonably well, but the frame rate as usually about 30FPS unless I am looking at a wall or somthing, and it drops much lower during scenes of intense combat in large enviroments.

It told me to update my graphics drivers too, but the latest version of ATI Catalyst fixed mine up perfectly, and made the game run better.

The new HDR dynamic lighting takes a bit of effort and slows my computer down quite a bit, but with all the graphics settings on maximum except for anti-aliasing and HDR it runs fine.

And don't froget to check out the trailer for EP2 on Steam.

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My much loved machines...
1990 E32 BMW 735i - Daley Driver
1983 Okuma LB15 Twin Turret NC turning center - Money Maker!
1985 Suzuki Sierra - Off-road thrasher and mobile shooting platform
1981 HMT NH26 20HP 30" Gap Bed Engine Lathe - Money Maker!
1966 Lancia Flavia 1800 Coupe - Weekend toy
1941 South Bend 9" Model C Workshop Lathe - Antique restoration project.