Microsoft® BizTalk® Server 2006 R2, Microsoft Corp.’s core service-oriented architecture (SOA) and business process management (BPM) technology, is generally available today. R2 includes advancements for radio frequency identification (RFID) and electronic data interchange (EDI), and extended interoperability such as Enterprise Service Bus (ESB) Guidance and Line of Business Adapters.(link)
On a side note, my friend Wade Wegner will be presenting to the Denver BizTalk group today.