Yesterday I posted an updated BIM Family Toolkit to the Labs site. This update includes defect fixes and improved compatibility with localized versions of Revit. Download BIM Family Toolkit via Autodesk Labs.
For the unitiated, the BIM Family Toolkit allows you to share parametric family information from Inventor to Revit. You then use this family information in Revit to create geometry whose attributes match what was imported from Inventor. In other words, what you create in Revit reflects what you created in Inventor.
Please test it with your own data and let us know your results - firstname.lastname@example.org.