Well, I'm reading tutorials on Blender's Retopo tool, and so far I don't see any indication that it can actually do what I thought it could.  It can snap one mesh to the surface of another, but it looks like the effect is global, for the entire mesh.  We'd need to be able to select certain parts of a mesh and selectively move those to the other surface.  I'm not sure Blender Retopo, or Shrinkwrap, actually allows that effect.

So maybe I should hold off on 3D Coat and Miki, and start saving pennies to buy ZBrush.  Dangit.  When I had the $$$ for pricey software, I bought Modo, when I should have gone with ZBrush.  Sigh.

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Cage can be an opinionated jerk who posts without thinking.  He apologizes for this.  He's honestly not trying to be a turkeyhead.

Cage had some freebies, compatible with Poser 11 and below.  His Python scripts were saved at archive.org, along with the rest of the Morphography site, where they were hosted.