Many took the beta exams at MMS 2012 this year, for the Private Cloud certifications.
The two tests that most took were
If you took these and want to see your status – you can get this from the Prometric site:
Log in with your email and password, and then choose Candidate History.
I only had time to take the 246 exam, and it was VERY in depth…. but looks like this one is in the books.