Creating a shell and modules
http://channel9.msdn.com/blogs/akmsft/creating-a-modular-application-using-prism-v2-part-1-of-4--creating-a-shell-and-modules
Visual Composition
http://channel9.msdn.com/blogs/akmsft/creating-a-modular-application-using-prism-v2-screencast-24--visual-composition
Implementing views and services
http://channel9.msdn.com/blogs/akmsft/creating-a-modular-application-using-prism-v2-screencast-34--implementing-views-and-services
Decoupled Communication
http://channel9.msdn.com/blogs/akmsft/creating-a-modular-application-using-prism-v2-screencast-44--decoupled-communication