I have a quad core Xeon 2.66 with 7 G RAM and a GeForce 7300GT Video card- I got no sky previews- and Poser Models would appear mottled and full of huge holes- and where only visible in the main window over a very narrow depth of field This with VueInf 8.4 Mac OSX 10.5.8

  The Open GL "Pipeline" is showing OpenGL clpuds and the V4 character OpenGL preview is much improved as well. It also seems to RENDER faster. with the same setup and Vue Inf8.5 Mac