Hi, I have been offered the chance to upgrade my 3.33Ghz quad core 2009 mac pro with a new processor tray containing two X5680 6 core (3.33Ghz) CPU's. The price would be AU$2800, do you think this represents good value? I'm aware that I will have to flash my machine for this to work but I'm curious to know what the stock fan speeds would be for such a set up at idle and under load. I'm not interested in the new mac pro (no internal storage), I just want to extend the life cycle of my current machine. I'll be using the machine for Final Cut X, Compressor and Aperture. Any advice would be much appreciated. Thanks!