"He who marches out of step hears another drum." ~ Ken Kesey
What version you guys running? I haven't found any info on 64 bit Illustrator release dates. Photoshop, yes. Illy, have only heard rumors on CS6.
Problem is, Illustrator is still 32 bit, so it only sees 4gigs of ram.
At the end of the day I set up her USB 3 external as a primary scratch... we shall see.