Good Blend tutorial (custom WPF controls without coding)

I'm slowly trying to make the transition from WinForms to WPF in an effort to get used to the whole XAML frontend thing Microsoft seems to be enjoying these days, and came across this tutorial for making good controls:

http://msdn.microsoft.com/en-us/library/bb613598.aspx

Duplicated my custom WinForms button control using Blend - took half the time, and didn't need to do any coding.