http://pcpartpicker.com/p/21VF1
CPU
i5-3570K @ $209.99 @ Newegg (After mail-in rebate)
Motherboard
ASRock Z77 Pro3 ATX
LGA 1155 Motherboard @ $85.56 ($5.67 shipping) @ Newegg (After mail-in rebate)
RAM
Corsair Vengeance 8GB (2 x 4GB) DDR3-1600 Memory
@87.32 @ NCIX US
Storage
Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive
@ $59.94 @ OutletPC (After mail-in rebate)
Video Card
Asus GeForce GTX 660 2GB Video Card @ $179.99 @ Microcenter (After mail-in rebate)
Case
NZXT Source 210 Elite (White) ATX Mid Tower Case @
$42.98 @ Amazon
Power Supply
Corsair Enthusiast 650W 80+ Bronze Certified ATX Power Supply @
$83.98 (After mail-in rebate and $3.99 shipping)
@ Newegg
Operating System
Microsoft Windows 7 Home Premium SP1 (OEM) (64-bit) @$84.98 (After mail-in rebate) @ OutletPC
Base Total: $885.15
Promo Discounts:$10.00
Mail-in rebates: -$50.00
Shipping:$9.66
Total:$834.84
Without OS: $749.86