I decided to start playing around with WPF, but I couldn't see the template when I went to New Project from Visual Studio 2008. It turns out I need to do the following:
1. In the command prompt - Go to the location where I've installed Visual Studio - c:\Program Files\Microsoft Visual Studio 9.0\Common7\IDE
2. Make sure to close all open Visual Studio applications.
3. Type in the following "devenv /installvstemplates"
I found the information here: