Back in May I blogged about the possibilities for developing in WPF for Windows Vista MCE. I just spotted some examples of just that up on netfx3.com. Check them out at http://wpf.netfx3.com/files/folders/controls/entry3955.aspx. They include:

1) Soft Keyboard control
Sample code that allows text entry to TextBox using the Media Center remote control.

2) Spinner control
Sample control code for Numeric and Domain spinner that could be used with Remote control

3) List Scroller 
Sample control code for Media Center List Scroller that could be used with Remote control

4) Integrated Sample