Apr 222010
 

The current expected release date for the Microsoft Forefront Threat Management Gateway exam is July 23th 2010, although that might shift when it comes closer.

70-157: Exam MCTS
MCTS: Forefront Integrated Security, Configuring
July 23th 2010

Regarding a TMG MCITP cert, there is no information about that at the moment.

Edit: 29 July 2010.

Yesterday I found somewhere else that the official dates should be around the end of October.

70-157
TS: Microsoft Forefront Network Security, Configuring
premeditated Release-Date: October 20, 2010
70-158
TS: Microsoft Forefront Identity & Access Management, Configuring
premeditated Release-Date: October 22, 2010
70-159
TS: Microsoft Forefront Secure Messaging and Collaboration, Configuring
premeditated Release-Date: October 29, 2010

Edit: 21 October 2010.

A couple of weeks ago (during my holiday) I found at the dutch global knowledge website the courses for TMG and other forefront products.
Dutch website
English using google translation