WCF (Windows Communication Foundation / “Indigo”) and WF (Windows Workflow Foundation) have announced Go Live licenses, which allow customers to use the January Go Live releases of WCF and WF in their deployment environments.
More information about the Go Live program is at http://msdn.microsoft.com/winfx/getthebeta/golive/default.aspx
More information on this Go Live license and technical resources can be found on
Tim Sneath's blog:
The Vista “where to get the beta” site will also point to the WinFX Runtime January CTP.