Becky, whom you'll be familiar with from places like SMB Summit, and other SBS events owns and manages our "Setup" feature team, responsible for ensuring all the goodies of SBS successfully install both in a manual and unattended fashion.
SBS 2008 Setup PM demo and interview
The TechNet Edge folks cornered here for a 23 minute video with a 7 minute "over the edge" at the end. You watch the video, point your web browser over to the SBS 2008 Setup PM demo and Interview video.
If you're interested in getting the Public Preview for SBS 08, simple register to be notified here.