Somewhere a while back somebody mentioned that Carrara will not load a file bigger than 2GB. Is that true? I'm working on a scene that is approaching that limit, and I did get an error when loading, although I doubt it was the 2GB limit (it was maybe 10% +/- under that). Some discussion here: http://www.daz3d.com/forums/discussion/61207/what-do-you-want-carrara-to-be/p2