Microsoft has released an update to the MDT 2008. There are two major features added.
- OEM preload scenarios for Lite Touch Installation and Zero Touch Installation with System Center Configuration Manager 2007
- a new management pack for System Center Operations Manager 2007 SP1
The download to the new product is located in the Download Center.
Since its release, there has also been an guide to help people who have been losing their settings. To keep your settings in place after your upgrade (which is probably something you are going to want to do) check out the guide located at http://blogs.technet.com/msdeployment/archive/2008/08/05/how-to-upgrade-to-mdt-2008-update-1-lite-touch.aspx.