http://blogs.msdn.com/b/darrenj/archive/2006/06/08/621896.aspxIn case you missed the announcement on Tuesday, Microsoft has announced a new release of BizTalk Server 2006 called BizTalk Server 2006 R2 (Release 2) to ship H1 2007. R2 will build on the core foundation of BizTalk Server 2006 and won't introduceen-GBTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)