Just keeping tabs on new interoperability features between Revit and Grasshopper/Hummingbird. The folks at Perkins and Will (Tim/Mario) have released some new features allowing for Topos and Massing utilities.
I haven’t been able to try this out yet but the ability to manipulate masses sound intriguing. Since the topo tools are quite a pain to use in Revit, I see this feature as a valuable addition.
Check it out here: