I find f wire drives better - you dont need 800, 400 is fine.

After that just get the fastest cpu you can - avoid the air - it appears to be a heavily compromised machine.

__________________
I have one prejudice - I am anti HDV for consumer camcorders.

www.zaskarfilms.com You tube channel 'zaskarfilms'
JVC DV5001e (big cam), Sony PC6E (tiny cam), Vinten pro5, PAG light, SM58, Sony ECM50, Sony C-76, 0.5x convertors for sony, Rode video mic, Vegas 7.