I remembered this from a while back, hope it helps:

http://www.tomshardware.com/howto/20050228/



Sure, it's overkill, but so are the rest of your specs!
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MacBook 2GHz Intel Core 2 Duo w/ 2GB DDR2 RAM & 120GB SATA 5400RPM HDD
Canon Rebel XTI
Google Cr-48 Beta Laptop