A new XAML for designers course has been added to the Microsoft Partner Learning Centre (you will need to sign into access it). Description and link -
"This Labcast series provides hands-on experience designing user experiences in Microsoft Expression Blend 2. The training course explains the basics of the user interface, shows how to create and manipulate 2D and 3D objects, and describes how to animate these objects using Expression Blend 2 combined with Microsoft Visual Studio."
.::. Alex