I think one of the biggest stumbling blocks I've had with Walk designer, is that at no time is there any corilation between the actor and any sort of "ground" plane. This has to all be done by hand, so walking up or down stairs is a real chore to adjust. Once I found out that the body information isn't saved, it became a matter of "how long do I want to work on this to have it discarded when I close Poser?" Yes, you can save the PZ3, but what good does that do if you are changing the scenes? If an actor is going to come down a flight of stairs in one scene, go up a fire escape in another scene, go up the first stairs in another scene, and back down again in yet another scene... Each one of these has to be meticulously posed. Yes you can save teh walk information, but then you have to go into each frame, and make sure that the y information and the Body information, match the scene... Huge PITA as far as I can tell. There has got to be a way to save the entire body motions for a default "Going up stairs" and "going down stairs" per actor character. And again, it would help if the actor could tell where the ground was.