Ask the Core Team : Windows 7 Useful Links
Below is a list of useful links when it comes to Deployment (MDT 2010 and SCCM), USMT 4.0, Activation, Application Compatibility, and Boot to VHD on several Microsoft related websites. These links can change from time to time, but are a good start for getting your environment ready for Windows 7 or other deployments.
Ask the Core Team : Windows 7 Useful Links