I think, you will find your own answers in this documentary by Kate Ray.
Quick and easy way of learning Microsoft Expression in five days. I would recommend my senior students for their Web Design course.
http://www.microsoft.com/expression/resources/BlendTraining/
In our laboratory Expression Studio Pro 4 is installed and available for your use. This training also works on Expression Studio 4 editions.
Must have links for developing windows phone and XBOX 360 games and applications.
http://create.msdn.com/en-US
Faculty Resource Center. Courses, presentations, materials about XNA game development. All are free and can be used in your lectures.
Free book: A Simple Introduction to Game Programming With C# and XNA 3.1
Get them before it is too late!