Windows Vista Hardware Compatibility
You can find a list of compatible hardware for Vista at https://winqual.microsoft.com/hcl. This link is a list of hardware that has past the Windows Hardware Quality Labs testing and are certified.
We also released the Windows Vista Hardware Assessment tool. This is an inventory, assessment, and reporting tool that will find computers on a network and determine if they are ready to run the Windows Vista™ operating system. Here is the URL: https://www.microsoft.com/technet/solutionaccelerators/hardwareassessment/wv/default.mspx