Eric wrote:eric - after my benchmarking ( here ) i got a little sceptical over how efficiently - if at all - lightworks addresses a 'quad'. the local tech guys here (unrelated to archicad) told me that if an app was using dual processors there shouldn't be a problem with four. my concern is that maybe a dual core, dual processor may behave differently than simply having parallel quad processors . . . i'm not a techie so i have no idea how these things work.
One thing that was curious on the Mac Pro was that during the rendering there was a max of 2 cores being used at once. It would jump between all four cores, but only 2 at once. I don't know why.
Eric wrote:it's already packed back up in its box . . .
Have you tried doing that to see if the quad can handle it?