There is a new version out of the MDT 2012 Update 1, 6.1.2373.0
http://www.microsoft.com/en-us/download/details.aspx?id=25175
This version has some bug fixes regarding ConfigMgr 2012 and MDT 2012.
More info can be found here,
http://blogs.technet.com/b/mniehaus/archive/2012/09/19/mdt-2012-update-1-has-been-updated.aspx
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