If I were you, I'd buy these parts. This machine will knock your fucking socks off.
Sandy Bridge E
http://www.newegg.com/Product/Produc...82E16819116492
Gigabyte GA-X79-UD5 Mobo
http://www.newegg.com/Product/Produc...82E16813128531
Corsair Vengeance 32GB (buy 2 of these)
http://www.newegg.com/Product/Produc...82E16820233232
Corsair Force Series GT 2.5" 120GB SATA III SSD
http://www.newegg.com/Product/Produc...82E16820233191
Seagate Barracuda XT ST32000641AS 2TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5" HDD
http://www.newegg.com/Product/Produc...82E16822148506
GIGABYTE GV-N580UD-15I GeForce GTX 580 (Fermi) 1536MB 384-bit GDDR5 PCI Express 2.0 x16 HDCP Ready SLI Support Video Card
http://www.newegg.com/Product/Produc...82E16814125364
Antec EarthWatts Series EA-750 Green 750W Power Supply
http://www.newegg.com/Product/Produc...82E16817371051
LIAN LI PC-A05FNB Black Aluminum ATX Mid Tower Computer Case
http://www.newegg.com/Product/Produc...82E16811112331