We've been using the Composite Application Block (CAB) and Smart Client Software Factory (SCSF) since they first emerged. Most of my focus has been on the middle tier and service layer which our smart client front ends consume. However, recently we...
Found this project http://www.codeplex.com/wpfcab on codeplex. It strives to add WPF Views to the CAB. This solution doesn't use crossbow and isn't using interop with WinForms.