Steve Martin sent out the announcement yesterday that the BizTalk Server line of products would be getting an R3 update during the first half of 2009. BizTalk Server 2006 R3 moves the BizTalk platform to the Windows Server 2008, SQL Server 2008, and .NET Framework 3.5 wave of releases. In addition, there are feature enhancements planned for:
You can read the original announcement by Steve on BizTalk Server 2006 R3 for more details.