That's roughly my specs except I have better memory and asus MB
Also I have two ASUS SLI 570 GTX cards.
Intel® Core™ i7-3930K (12MB Cache,Overclocked up to 3.9Ghz )
I also have a 500gig SSD for OS on win 7
and two 10k rpm 1 tb WD drives.
16GB DDR3 at 2133Mhz
Included is m 1 24 inch LED Samsung monitor.
I spent 3200 and built myself.
This machine is a little over priced that your selling SHDsteel.
You mentioned one GPU which runs around 599. My two 570's ran 1k.