I have problems with PoserPro Pz3s and Vue6i too - it doesn't import one thing, the scene is always empty. I have to resave my PoserPro Pz3s in P7 (haven't updated with SR3) to get them into Vue. And I have lots of external runtimes. I only keep Python scripts and  the default Poser stuff that comes with the installation in my main Poser runtimes - everything else is savely stored in external runtimes.
 
I noticed the render problem with some hair as well. I wanted to use Hebe hair in my last image and the hair looked great in preview and horrible once rendered. It was all transparent and see through allthough all textures were applied correctly. Doesn't look like that at all in P7.

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