The Configuration Manager team at Microsoft released a huge number of updates today regarding the System Center 2012 R2 release –>
http://blogs.technet.com/b/configmgrteam/archive/2013/08/29/announcement-configuration-manager-documentation-library-update-for-august-2013.aspx
And something I was waiting for, finally showed up! how to create a VHD from a task sequence –> http://technet.microsoft.com/en-us/library/dn448591.aspx