WSE 3.0 beta comming soon...
WSE 3.0 will a add significant new functionality including, enabling the ASMX programming model over multiple transports (e.g. http, tcp), substantially improved security policy to enable common security messaging scenarios, MTOM for message attachments, interoperability with Indigo and conformance to the latest WS specifications. Based around the themes of Visual Studio 2005 integration, cross platform interoperability and standards support.
When will it be available ?
Wait for TechEd 2005 to hear more detials about it…