We're hosting a web chat with members of the DSL Tools team in a couple of weeks.

Using the Domain-Specific Languages Tools for Visual Studio 2005

May 24, 2005 9:00 A.M. Pacific Time
May 24, 2005 5:00 P.M. GMT

You can find the entry point at http://www.microsoft.com/communities/chats/default.mspx#05_0524_DN_VS05.
I hope that many of our intrepid DSL Tools CTP customers can make it.