Now here's what the same figure, hair, shader, and lights looks like rendered in Poser 2012.

And the really weird thing...if I open this file with Poser 7 and save it, when I open it Poser 2012 and render, it looks like the first image.

I can't figure out what the difference is.  It must be in the render settings, but darned if I can figure out which one makes the difference.  (I used the auto settings to render.)