what-is-revit - Revit Furniture.com
It includes step by step advice on learning Revit, plus links to resources (both online and downloadable).
If you have used Revit for a while, you may find yourself disagreeing with some of the advice - but hey, we all have different ways of getting the job done!
I leave you with this little excerpt from the post, wise in its simplicity:
Step 1) Model in the way the building would get constructed
via NYC RUG Mailing List (Robert Mencarini)