IMAGINiT has released an application that appears will greatly streamline and simplify creating BIM from Laser Scans.
In this we can directly import point cloud into Revit and also this application allows the user to snap walls and openings to construction line crated from the point cloud, create pipes and ducts directly from the points. This tool will greatly reduce the time needed to go from scan to as-built BIM
Read more on this at http://imaginit.rand.com/software-solutions/building-architecture/scan-to-bim
Also see the video at http://streaming.avatech.com/edemos/avatech/Scan_To_Bim.wmv
