Features in C5 Pro not in C5: Network Rendering Irradiance Maps loading/saving FBX 5&6 Import and Export After Effects camera support RPF support (After Effects and Combustion) MatchMoving Support (MatchMover and Syntheyes) Motion Capture (BVH) trueSpace import Graph Editor Edge Tools Advanced Surface Tools TransPoser 2 plug-in CADstyle plug-in (natively reads IGES, STEP, DWG, STL, SAT, VDAFS, VRML, OIV, and OpenNURBS) Hexagon does not ship with Carrara 5 Pro. -Bob