Ok!
The v2.6 beta has been released today. The download is available in the customer area, v2.6 section. Be sure you read the important beta information enclosed in the .chm file.
The documentation is a work in progress during the beta, as always.
There are two forums for feedback.
Linq related feedback:
http://www.llblgen.com/tinyforum/Threads.aspx?ForumID=40
Non-linq related feedback:
http://www.llblgen.com/tinyforum/Threads.aspx?ForumID=41
The separate Linq beta is now part of this full beta release.
Estimated RTM date: end of May.
We'll release SDK command line tools for v2.6 a.s.a.p. as well.