It's all about Windows 7 and Mitch Tulloch is an MVP who is willing to share his expertise. Take a look at the two articles Mitch wrote for WindowsNetworking.com:
Deploying Windows 7 - Part 1: Windows AIK 2.0 Enhancements
Deploying Windows 7 - Part 2: Using DISM
Mitch is the lead author on the upcoming Windows 7 Resource Kit. You can download a couple of free chapters if you want a preview. And stay tuned--we'll keep you posted on any upcoming events, releases, etc.