What is new for the Tabular model in SQL Server 2012 SP1 and compatibility level.

On the surface the SQL Server 2012 SP1 looks very much like SQL Server 2012 RTM but there are some hidden gems in there that will make you upgrade to SP1. This blog post on the AS team will describe why you would want to upgrade your machines to SP1:

http://blogs.msdn.com/b/analysisservices/archive/2013/01/04/what-is-new-for-the-tabular-model-in-sql-server-2012-sp1-and-compatibility-level.aspx