Have you checked out http://discuss.mediacentersandbox.com yet? If not, head on over. Mark, Aaron and myself have been answering questions over there for some time and now Scott (Dev) and Krishna (Dev) are participating. Aaron, we've got to find another PM or two -- the devs are beginning to outnumber us!
Disclaimer The opinions expressed herein are my own personal opinions and do not represent my employer's view in any way.