Ian Dixon wrote a blog post over the weekend on the Media Center Show site about the new Z sample application that is included in the Windows Media Center SDK for Windows Vista. In addition, he posted Media Center Show Extra #4 today where he demonstrates the features of the Z application.
I encourage you to check out Ian's Media Center Show Extra #4 at one of the following links:
It really helps to see a video of the Z features in action to understand how powerful the MCML development platform for Windows Media Center can be. I hope this sample application will serve as an inspiration and a learning tool for developers looking to add exciting new functionality to the Windows Media Center platform.