An update to MDT 2012 Update 1 is released! Which solves an issue when used together with System Center 2012 Configuration Manager 2012 Cumulative Update 1 where you get an error when creating a new MDT Task Sequence.
For more information about the update see Michael Niehaus’s blog post:
http://blogs.technet.com/b/mniehaus/archive/2012/09/19/mdt-2012-update-1-has-been-updated.aspx
Download is available here: http://www.microsoft.com/en-us/download/details.aspx?id=25175