Jesús has been very busy building adapters. They include:
SalesForce.com adapter for BizTalk Server 2006
Web Services Enhancements (WSE) 3.0 adapter for BizTalk Server 2006
SQL Server Service Broker adapter for BizTalk Server 2006 v1.5
A Webcast on the SalesForce Adapter will be given tomorrow (April 20), and a Webcast on the WSE 3.0 adapter will be given on May 5. You can read more about the adapters and Webcasts HERE