Here's the new blog from the BizTalk Product Team. Seems that BizTalk 2006 RTM is right around the corner here. Cannot wait for that as I am in the middle of the design phase at a large client and we are designing around 2006 and I was getting nervous that come May (start of construction phase) it still wasn't released. But I can finally sleep at night. We are also looking at using SQL Server 2005 Service Broker with BizTalk 2006 to replace an older MSMQ solution between two systems, and I'll be blogging about this in the near future. Currently we are building a POC for this at the client. I'll keep you posted.
-B