without adding in all the peripherals, the main parts alone come up to like ~640 on newegg, not counting shipping and tax so 855 is not too bad all
NZXT Guardian 92
$69.99
Western Digital Caviar Black WD1002FAEX 1TB 7200 RPM SATA 6.0Gb/s
$139.99
ASUS M5A97 AM3+ AMD 970 SATA 6Gb/s USB 3.0
$99.99
HIS H775F1GD Radeon HD 7750 1GB 128-bit GDDR5
$109.99
G.SKILL Ripjaws X Series 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800)
$64.99
AMD FX-6100 Zambezi 3.3GHz Socket AM3+ 95W Six-Core
$149.99