Quote - Then open P8 and add a runtime (folder icon to the top right) and point towards PoserPro folder.

That hadn't occurred to me, though it's embarrassingly obvious. =0   Thank you for the help. :D

Quote - So now you can run Poser 8 and access all of your other content from PoserPro or whatever other Runtimes you've added. And you can also run PoserPro seperately as a stand alone without P8.

That's precisely what I want to do.  I will try to render complex scenes in P8, since the new GI will give superior results, but if the 32bit memory allocation is not enough, I want to be able to fall back on Poser Pro's 64bit FireFly.

Quote - If you do have some issues they mostly come from not updating your video drivers, but I personally have not had any problems to date.

  Both Galadriel (desktop) and Pixie (notebook) have had their video drivers updated recently, but I'll run an update check again.  Pixie came with an nVidia Quadro 3600M;  I retro-fitted an nVidia Quadro FX5800 into Galadriel.  Galadriel came with dual ATI Radeon 4870x2 cards in CrossFireX;  gorgeous video, but Poser Pro would just shut off like throwing a switch when I imported certain OBJs.  Maybe my modeling was quirky -I'm just learning- but the Quadro solved the problem.  As far as I can guess, Poser Pro was calling an OpenGL routine and not finding it.

Poser 12, in feet.  

OSes:  Win7Prox64, Win7Ultx64

Silo Pro 2.5.6 64bit, Vue Infinite 2014.7, Genetica 4.0 Studio, UV Mapper Pro, UV Layout Pro, PhotoImpact X3, GIF Animator 5