Gamecyte posted the preliminary system requirements for Mirror's Edge. EA revealed these requirements at NVISION 08 last Friday, and while they are preliminary, they look appropriate.
Windows XP or VistaProcessor: Pentium 4 at 2.4 GHzRAM: 1GBVideo: GeForce 6 Series with 256MB VRAM or betterGeForce 6 series could be realistically translated to "GeForce 6600GT or thereabouts". These are supposed to be the minimum specifications.
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Minimum and recommended system requirements for Mass Effect