I can't even open the 32 bit PS on Vista 64 at work...it crashes before it even opens! I haven't had much experience with Photoshop (had the old CS for a long time) before upgrading, but are Adobe usually good with releasing patches and upgrades?
Neox: yeah I should mention I'm using it on a 64 bit quad core machine with 8 gigs and an 8800GT as well. I'll try it on my work system too, which is a 32 bit machine with 4gigs and an 8600. I was testing with a 4k polygon mesh. Will try to use the same one on the other machine and compare. Pea: yeah custom brushes, and…