Hello Peter,
I have been asking for one too. In a previous post, it read that there is one coming out but no date was set.
I think you are going to have to just plan using the 2007 deployment schedule and improvised for 2010.
Cheers
Michael Wharton, MBA, PMP, MCT, MCSD, MCSE+I, MCDBA
www.WhartonComputer.com