Well lots of announcements this week with the VS Beta coming out... so here's one more:
The Visual Studio 2010 DSL SDK Beta1 is available for download! This one is near and dear to me because I've worked on DSL Tools in the past, and it's wonderful to see another toolkit out for Beta1.
So, if you're a veteran of Doman Specific Languages development or interested in learning to build cool graphical designers for Visual Studio, you should download and try this new release. For more information about the specifics of this release, check out Jean-Marc's blog.