If you are starting out with Revit (as I am) there is a new blog to help you out.
Revit Beginners - http://revitbeginners.blogspot.com/
I've been teaching our office how to use Autodesk Revit Building. This blog will highlight some of the common questions and cool tips found in the process of transitioning our office to Revit.
via Revit OpEd (another great Revit Blog!)