If would be useful to be able to re-parent a character or a prop to the UNIVERSE, if I want to make it unparented. It would be useful to be able to animate parentage and IK-parentage and IK-setting, so that e.g. if two frogmen arrive on a chariot (= a sort of torpedo that 2 divers ride), and the back man gets off and swims away, I can change his parentage from "chariot" to "UNIVERSE" partway through the movie run. If that is not possible, it would be useful, if in a movie I change the parentage of a character or prop or the IK-parentage of an IK-goal, its coordinates are recalculated separately for every frame that has any keyframe information for the part or its old parent. Perhaps with an option to choose this method or the old method. In my Poser 4.0.3 without PPP, the coordinate change for frame 1 is applied in all frames, so that in the above case Poser assumes that the frogman got off the chariot at frame 1.