Even with OpenGL disabled & working in wireframe mode with no previews enabled I still crash(OOM).....I have yet to find the ryhme or reason...because it's all to weird. With 5 the highest poly count I've achieved is 7mil...the lowest was 1.4mil(as in my last scene)then crash, In Vue 4 the highest I achieved and was normal for my scenes was 20-25mil polys. So go figure. I think 5 is still a work-in-process.