The pre-release product betas for project code names "Bengal" Autodesk Revit Building 9 and "Pittsburgh" Autodesk Revit Structure 3 has now completed. The products are now shipping.
http://www.autodesk.com/revit

Thank you to the many Revit beta sites participating in the beta. Your feedback has been key to the products quality and features.

Sincerely,
Shaan Hurley