Quote -  In Poser I have movement poses, and materials poses all in the same folders- mostly identfied by the creators name rather than by WHAT they are.I can rename and rearrange them-but it is tedious- and I frequently FORGET what I have installed- Hmmmn what is that under "Sarsa?"

This is not Poser, but the content creator's responsibility.
As mentioned by others, Poser introduced materials (mt5) in Poser 5 and material collections (mc6) in Poser 6.
So there is no need for poses (.pz2) to apply materials in Poser. (which was a hack for earlier versions)
Actually, there is one reason, why content creators stick to .pz2 files to apply materials... DAZ Studio! (and maybe users of Poser 5 and older)
Studio cannot read mc6, even though it's just one line of code that's different from a .pz2 MAT Pose.

Quote -    2)The relational data base is nice. Select the Hair- and only textures and morphs FOR that Hair show up.

This may change, as soon as others than DAZ begin creating content for DS 4.
If they do not stick to some set of rules set by DAZ, the system may no longer work.

And sticking to rules seems to be a problem for both companies.
Just have a closer look at your Poser runtimes or Studio content folders.
The Poser FAQ tells you, that geometries (.obj) go into a subfolder within Runtime->Geometries..
where do you find them? Even for Poser 8 content? In Libraries->character next to the cr2.

After a Studio 3 install you'll find content for V4 within studios content folder, other files are buried in a runtime structure within content.
For some items you'll find the geometry in .obj format within a runtime->geometries folder under content, for others in .dso format under content->data.

And that's all coming from the companies distributing the program and included content.

Maybe I am missing some reason for this, maybe not :)

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