Autodesk has released some new tools for 2010 based products subscription customers. You can download these from the subscription site only.
From the Autodesk Revit ARCHITECTURE 2010 SUBSCRIPTION PAGE:
The Autodesk® Subscription Advantage Pack for Autodesk® Revit® Architecture 2010 extends the capabilities of Autodesk® Revit® Architecture 2010 software. Productivity-enhancing functionality and features better support modeling, coordination, and documentation, while improved tools help you work more efficiently within the software.