/mceVideoSearch explores the programming model for using embedded WinForm controls in MCE. it allows you to create a full screen WinForm UI with only a thin HTML page to host the control. plus they work in extenders.
the end result of the article is an application that allows you to search for online video on your XBox 360 using a wireless controller. you can also use it with a remote on an MCE PC. yes ... i really am going to write-off the XBox 360 :)