The Ribbon Control is now available to the public for download. If you havent taken a look yet, would definitely recommend it.
A neat thing about this release is that it includes a design time plugin to VS. So out of the box you have a template in VS, when creating a new project
The design window looks like
To make the experience better, the toolbox has the ribbon controls in its own expander
Drag drop and you have a Ribbon app on your hands