These guys have come up with a fantastic Revit service!!!!
This is an excerpt from their webpage:
“RevUp Render provides access to an advanced Super Computer to use to run Revit® from anywhere in the world. You can quicky remote connect and activate your licence of Revit® within 5-10 minutes. Once your RevUp Render account is created and setup then you will have your own personal super computer that you can access from anywhere in the world. You will be rendering images or a walk-throughs in lightning speed within minutes.”
Definitely worth a look, go to http://revuprender.com/