We just released a whitepaper around servicing offline VMs using SCVMM and SCCM.

Download details are here:

https://www.microsoft.com/downloads/details.aspx?FamilyID=c5abb19e-15b1-4692-b465-393584c592a0&displaylang=en

Direct Download file from here:

http://download.microsoft.com/download/d/1/0/d10ecad6-3de9-4bb2-bbc4-4f8d5c487b66/VMMLibraryPatching.zip

There will be more to come on this subject from us in the future, but this is a great start for realizing the combined value of System Center products.