Microsoft has released the beta version of its Windows 7 Upgrade Advisor, a free utility that tells you if your PC is ready to run Windows 7. It scans your computer, checking internal components, external peripherals, and programs, and alerts you to potential compatibility issues. It also offers upgrade suggestions, such as which drivers to replace, should you make the move to Windows 7.
Is Your PC Ready for Windows 7? This Tool Lets You Know - PC World

Download Uprade Advisor