Microsoft has released the the first beta build of the next version of the Deployment Toolkit., a solution accelerator for operating system and application deployment. New features like flexible driver management, optimized transaction processing, and access to distribution shares from any location simplify deployment and make your job easier.
Join the beta now at http://connect.microsoft.com. Sign in using a valid Windows Live ID to continue to the Invitations page, and scroll down to Microsoft Deployment Connection.
Other resources:
Windows AIK for Windows 7 Beta documentation
Windows 7 Walkthrough: User State Migration Tool
Windows 7 Walkthrough: Deployment Image Servicing and Management