just checked out mirrors edge official website
Required – Internet Connection
OS - Windows XP (SP2) / Vista
Processor – 3.0 GHz or faster; Intel Pentium 4 or equivalent
Memory – 1 GB RAM
Hard Drive – 8 GB
DVD Drive - 8 SPEED
Video Card – 256 MB with Pixel Shader 3.0*
Sound Card - DirectX 9.0c compatible
DirectX - Version 9.0c
Online Features: Leaderboards, Ghosts
Input - Keyboard, Mouse
Optional – Dual Analogue Gamepad** *Supported chipsets: NVIDIA GeForce 6800 or better (GeForce 7300 not supported); ATI Radeon X1300 or better. Laptop versions of these chipsets may work but are not supported. Integrated chipsets are not supported. Updates to your video and sound card drivers may be required. **Supported Controllers: Xbox 360 Controller for Windows; Logitech Chillstream.
Recommended System Requirements: Intel Core 2 Duo 2.0 GHz Processor or equivalent, 2 GB RAM or greater, 512 MB video card (NVIDIA GeForce 8800 or better).
yessssss i'll be ordering from buy.com right now. ive been wanting to play this game sense the demo was released on the 360, 8 bucks free shipping cant beat that.