http://blogs.architectingconnectedsystems.com/blogs/cjg/archive/2009/05/20/Windows-Workflow-4.0-Notes-from-TechEd.aspxHere is a list of items I got from the WF Team at TechEd: No one has a silverlight management tool for tracking workflows - someone should build it and make some money! Activity Designers in 4.0 are in WPF! No more dependency properties everything isenCommunityServer 2.1 (Build: 60809.935)