Can someone help me lower the price of this build without alot of preformence difference, right nows its $933.91
case: Rosewill CHALLENGER Black Gaming ATX Mid Tower Computer Case
prosser: Intel Core i5-3570K Ivy Bridge 3.4GHz (3.8GHz Turbo) LGA 1155 77W Quad-Core Desktop Processor Intel HD Graphics 4000 BX80637I53570K
cd drive: ASUS DVD Burner Black SATA Model DRW-24B3ST/BLK/G/AS
hard drive: SAMSUNG Spinpoint F3 HD103SJ 1TB 7200 RPM SATA 3.0Gb/s 3.5" Internal Hard Drive -Bare Drive
video card: SAPPHIRE Radeon HD 7850 OC 2GB 256-bit GDDR5 PCI Express 3.0 x16 HDCP Ready CrossFireX Support Video Card
power supply: Rosewill RP600V2-S-SL 600W
ram: G.SKILL Ripjaws Series 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 1600
motherboard: ASRock Z77 Extreme4 LGA 1155 Intel Z77 HDMI SATA 6Gb/s USB 3.0 ATX Intel Motherboard
cpu cooler: COOLER MASTER Hyper 212 EVO
case: Rosewill CHALLENGER Black Gaming ATX Mid Tower Computer Case
prosser: Intel Core i5-3570K Ivy Bridge 3.4GHz (3.8GHz Turbo) LGA 1155 77W Quad-Core Desktop Processor Intel HD Graphics 4000 BX80637I53570K
cd drive: ASUS DVD Burner Black SATA Model DRW-24B3ST/BLK/G/AS
hard drive: SAMSUNG Spinpoint F3 HD103SJ 1TB 7200 RPM SATA 3.0Gb/s 3.5" Internal Hard Drive -Bare Drive
video card: SAPPHIRE Radeon HD 7850 OC 2GB 256-bit GDDR5 PCI Express 3.0 x16 HDCP Ready CrossFireX Support Video Card
power supply: Rosewill RP600V2-S-SL 600W
ram: G.SKILL Ripjaws Series 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 1600
motherboard: ASRock Z77 Extreme4 LGA 1155 Intel Z77 HDMI SATA 6Gb/s USB 3.0 ATX Intel Motherboard
cpu cooler: COOLER MASTER Hyper 212 EVO