I import from Poser with 8.5 32 bit (Mac), convert to VOB and import the VOB into 8.5 Mac 64 bit Beta for rendering. It is faster and my unsupported GeForce 7300 GT actually works better in 8.5 64 bit!

Previously I was using a SPECIFIC build of 8.1 because import did not work for me  in 8.4
I currently have 8.1 (kept one build), 8.4, 8.5 32 bit and 8,5 64 beta