Hi there, I've just upgraded to the latest Macbook Pro 15", 2.4Ghz, quad core and need to transfer all my stuff from my old Macbook Pro 15", 2.8GHz, duo core onto it. What firewire cable do I need? The 9pin to 9pin, 800mbs? Coz it's expensive! $50 bucks to just use it once is a bit steep for me.