"Wow card" or Crown? Tough decision Jim. Sounds like the crowns may be more reliable for the pop corn consumption, than the "wow card" in the P4 given the pig make over, but not nearly as fun!
Ah yes, I do have CUDA and the renders speeds are really an improvement. I don't have any studder in the render outputs only in th previews in videowave. Its my constant battle. But again only with HD file formats.
But you are probably right, a move towards a dedicated desktop would probably be the right decision, but not practical given the travel I have to do. But it is something I will look at.