I would like the cameras to rotate around whatever you select (one feature of Daz I actually like... TBH, the only feature of DS I like over Poser..). Select area (foot, finger, eye, table etc), click button, camera rotates around that selection.

I would like a script to remove reflection maps in one go (it may exist already, I don't know about it). It's a right PITA going through multiple material zones and manually changing from reflection map to IDL, especially with shoes.

While getting better, Poser's memory management still leaks, still does not clear the cache when you close a scene. Keep working on it guys!

Improve Firefly to remove/reduce artifacts when using IDL with mesh lighting.

The ability to select with a pointer in the pose room the same as you can in the materials room, rather than fishing for obscure 'hot spots' that may not be near the object from your camera angle (may be what moriador is saying).

There's a few other things, but this is all I can think of right now, so they can't be that bad. In general, Poser really does get better with each new version.