Seems SQL Server 2012 beta exams will be available soon, but actual exams
will be released at June 2012.
The BI part seems to be much more design and architecture
oriented in these new exams, and I am happy for that. Because current BI exams
are completely technology and tool oriented.
These are list of exams:
I will update this post If I found time of beta exams.
Hope it helps.