This is all interesting to know. I haven't haven't anywhere near as many crashes since I upgraded to a 64bit machine (with 16 gig) but I don't often do heavy scenes (man!). However, I was trying something with one of Mec4D's hair tests and that really slowed me down, but those are like 100s of K poly models. Didn't crash though. I'm hoping 4.5 will be better generally with memory management and viewport response, but I'm letting others do the testing! Not that I can use something that doesn't have Reality or Gen X.

By the way, is Cath (Mec4D) posting at DAZ, does anyone know? I couldn't see anything, but who can find anything there as things are. It would be great if she was posting here.