Re: noob question: wtf am i dooooing?!
The 4870x2 is amazing. You're going to need quite a bit of power to run it. I'm pretty sure you won't be needing two i7 chips. You'll understand once you see the power of those babies. Dual processors boards aren't out for everyday use, for the i7. You can buy a server board.
2.13Ghz Intel Core 2 Duo-2GB DDR2 800 Mhz-500GB Western Digital Caviar Blue- Nvidia 9400M