The CTP for BPEL for Windows Workflow is available download it now from MSDN
The March 2007 CTP for our BPEL activities for Windows Workflow Foundation was released today.
BPEL for Windows Workflow Foundation (WF) is an add on for Windows Workflow Foundation in the .NET Framework 3.0. BPEL is the Business Process Execution Language and this download is an unsupported Community Technology Preview (CTP) for using this technology with WF. The download, which is aimed at software developers, provides import and export tools for BPEL and includes WF activities representing BPEL for the WF designer in Visual Studio 2005.