Thoughts on this build?

Pulled directly from cyberpowerpc

CASE: Xion Predator 970 Gaming Series Mid Tower Case w/ 2 External Removable HDD Bays [-1]
CD: LG UH12LS28K 12X Blu-Ray Player & DVDRW Combo Drive (BLACK COLOR)
CPU: Intel® Core™ i5-3570K 3.40 GHz 6MB Intel Smart Cache LGA1155 (All Venom OC Certified) - While Supply Last
CS_FAN: Maximum 120MM Case Cooling Fans for your selected case [+9]
FAN: Corsair Hydro Series H60 High Performance Liquid Cooling System 120MM Radiator & Fan [+0] (Single Standard 120MM Fan)
HDD: 2TB (2TBx1) SATA-III 6.0Gb/s 64MB Cache 7200RPM HDD [+0] (Single Drive)
MEMORY: 8GB (4GBx2) DDR3/1600MHz Dual Channel Memory [+3] (Corsair or Major Brand)
MOTHERBOARD: [CrossFireX/SLI] ASRock Z77 Extreme4 Intel Z77 Chipset DDR3 ATX Mainboard w/ IRST, Lucid Virtu MVP, XFast Technologies, 7.1 HD Audio, GbLAN, 3x PCIe x16 (2 Gen3, 1 Gen2), 2x PCIe x1 & 2 PCI (All Venom Ultimate OC Certified) [+49]
OS: Microsoft® Windows 7 Home Premium (64-bit Edition)
POWERSUPPLY: 850 Watts - Raidmax RX-850AE 80 Plus Gold Power Supply [+32]
VIDEO: AMD Radeon HD 7970 3GB 16X PCIe 3.0 Video Card [+182] (Major Brand Powered by AMD)

Can someone tell me if this is a good build?