The MDT 2012 Update 1 release is primarily intended to add support for deploying Windows 8 and Windows Server 2012. For ConfigMgr 2012, it’s the SP1 release that adds similar support. So if you want to start testing out the Windows 8 deployment process, you’ll want to be using MDT 2012 Update 1 (beta at this point, release version in the coming weeks) with ConfigMgr 2012 SP1 CTP. See John Vintzel’s posting at http://blogs.technet.com/b/inside_osd/archive/2012/07/20/sp1-setup-changes-system-center-2012-configuration-manager.aspx that talks about some of the changes in ConfigMgr 2012 SP1 related to OSD.
The specific changes that we made in the MDT 2012 Update 1 task sequence templates to support the new functionality in ConfigMgr 2012 SP1 are:
So try out the combination of MDT 2012 Update 1 Beta 1 (available on http://connect.microsoft.com), ConfigMgr 2012 SP1 CTP (available from http://www.microsoft.com/en-us/download/details.aspx?id=30133), and Windows 8 Release Preview (http://windows.microsoft.com/en-US/windows-8/release-preview) today.