Just received my MSDN Flash Special Edition regarding Invitation for ADO.NET 3.5 MCTS Exam today. The beta period will run from March 14, 2008 – April 4, 2008
71-561: TS: Microsoft .NET 3.5, ADO.NET Application Development counts as credit towards the following certification(s).
Register thru Prometric
Promo Code : 561B1
Also posting some additional information included in the the invitation here (and other resources as I will try to prepare for this exam too)
Preparation Guide : http://www.microsoft.com/learning/exams/70-561.mspx
[more]Find exam preparation information: http://blogs.msdn.com/gerryo/archive/2008/03/13/get-ready-for-the-ado-net-3-5-mcts-exam.aspx.