I just popped a headline onto the Visual Basic Developer Center (which also appears on the VS start page for all of us that have selected the VB development settings 
) about the release of Visual Basic QuickStarts and How-to Topics for the Composite Application Guidance for WPF and Silverlight (formerly known as ” Prism “). Cool, more things to play with! Here’s an excerpt from the download page : The Composite Application Guidance for WPF and Silverlight is designed to help you more easily build enterprise-level Windows Presentation Foundation (WPF) and Silverlight client applications. It will help you design and build enterprise-level composite WPF client applications—composite applications use loosely coupled, independently evolvable pieces that work together in the overall application
Read the rest here:
Visual Basic QuickStarts and How-to Topics for the Composite Application Guidance for WPF and Silverlight