There's your gtx 570 with the option to add another one later on in SLI. Best part is this build includes that 120hz LED 3D Samsung monitor.
http://www.newegg.com/Product/Product.aspx?Item=N82E16811119240 $79.99 FREE SHIPPING
COOLER MASTER Storm Enforcer SGC-1000-KWN1 Black SECC / ABS Plastic ATX Mid Tower Computer Case ATX PS2 / EPS 12V (optional ) Power Supply
http://www.newegg.com/Product/Product.aspx?Item=N82E16817207011 $119.99 - $99.99 after mail-in rebate
XFX Core Edition PRO850W (P1-850S-NLB9) 850W ATX12V / EPS12V SLI Certified CrossFire Ready 80 PLUS BRONZE Certified Active PFC Power Supply
or...
http://www.newegg.com/Product/Product.aspx?Item=N82E16817194093 $119.99 - $69.99 after mail-in rebate card FREE SHIPPING
LEPA B850-MA 850W ATX12V SLI Ready CrossFire Ready 80 PLUS BRONZE Certified Modular Active PFC Power Supply
http://www.newegg.com/Product/Product.aspx?Item=N82E16813157271 $129.99 + $7.87 Shipping
ASRock Z68 Extreme3 Gen3 LGA 1155 Intel Z68 HDMI SATA 6Gb/s USB 3.0 ATX Intel Motherboard
http://www.newegg.com/Product/ComboDealDetails.aspx?ItemList=Combo.694804 $256.98 FREE SHIPPING
Intel Core i5-2500K Sandy Bridge 3.3GHz (3.7GHz Turbo Boost) LGA 1155 95W Quad-Core Desktop Processor BX80623I52500K
Patriot Signature 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Desktop Memory with heatshield Model PSD38G1600KH21
http://www.newegg.com/Product/Product.aspx?Item=N82E16835103065 $27.99 FREE SHIPPING
COOLER MASTER Hyper 212 Plus RR-B10-212P-G1 "Heatpipe Direct Contact" Long Life Sleeve 120mm CPU Cooler Compatible Intel Core i5 & Intel Core i7
http://www.newegg.com/Product/ComboDealDetails.aspx?ItemList=Combo.696136 $72.48
Sony Optiarc CD/DVD Burner Black SATA Model AD-7260S-0B - OEM
Seagate Barracuda ST31000524AS 1TB 7200 RPM SATA 6.0Gb/s 3.5" Internal Hard Drive -Bare Drive
http://www.newegg.com/Product/Product.aspx?Item=N82E16814130613 $319.99 - $289.99 after mail-in rebate card
EVGA 012-P3-1571-KR GeForce GTX 570 HD w/Display-Port (Fermi) 1280MB 320-bit GDDR5 PCI Express 2.0 x16 HDCP Ready SLI Support Video Card
http://www.newegg.com/Product/Product.aspx?Item=N82E16832116986 $99.99 FREE SHIPPING
Microsoft Windows 7 Home Premium SP1 64-bit - OEM
http://www.newegg.com/Product/Product.aspx?Item=N82E16824001475 $469.99
SAMSUNG S23A750D Black 23" 2ms Full HD 3D LED BackLight LCD Monitor 250 cd/m2 DCR 1,000,000:1 (1,000:1)
Total: $1,577.39 *not including shipping and rebates