i wanna buy a mac pro to do 4d cinima finalcut pro 12 core xeon starting at 5 000 , but it doesnt look that upgradable but the new pc s fron boxx render machines build you systems buillt for rendering whats a better buy a 12core 293 xeon or a 12core pc from boxx for 8000 base quadxeon with 96 max ram opposed to 32 from mac pls any response apppreciated n=my buget is 7000 to for computer