new desktop

[Coquet]

Around 2 weeks I've been searching and trying to have better knowledge about a pc specialities in order to play WoW with the highest standards.
I would like to get your opinions if you find any feature below redundant or insufficient.

Pc brand-name I'm about to order from is Origin
Features:
[+] Motherboard: ASUS P8P67 PRO B3 stepping (USB 3.0, SATA 6Gb/s)
[+] Processor: Overclocked Intel Core i7 2600K 4.7GHz - 5.2GHz LGA 1155 Quad-Core Processor (8MB L3 Cache)
[+] System Cooling: ORIGIN High - Performance CPU Liquid Cooling w/ Refill Kit Powered by EK Waterblocks (Noiseblocker Fans Included)
[+] Power Supply: 850 Watt Corsair TX850 PSU
[+] Graphics Card: Single 1536MB GDDR5 Nvidia GTX 580
[+] Memory: 8GB Mushkin Redline DDR3 1866Mhz (2x 4GB) Dual Channel Memory
[+] Hard Drive: 500GB - SATA-II, 3Gb/s, 7,200RPM, 32MB Cache HDD
[+] Networking: Killer 2100 Gaming Network Card
[+] Operating System: Genuine MS Windows 7 Home Premium 64-Bit Edition
[+] Audio: 8-channel High Definition Surround Sound Support