Building A Gaming Pc, can i improve my specs?

ps3hacker12

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The changes i would make:
PCPartPicker part list / Price breakdown by merchant / Benchmarks

CPU: Intel Core i5-4670K 3.4GHz Quad-Core Processor ($219.99 @ Newegg)
CPU Cooler: Noctua NH-D14 65.0 CFM CPU Cooler ($73.99 @ Amazon)
Motherboard: ASRock Z87 Extreme3 ATX LGA1150 Motherboard ($129.99 @ Newegg)
Memory: Patriot Signature 8GB (2 x 4GB) DDR3-1600 Memory ($52.99 @ Newegg)
Storage: Sandisk Ultra Plus 256GB 2.5" Solid State Disk ($164.95 @ Adorama)
Storage: Seagate Barracuda 1TB 3.5" 7200RPM Internal Hard Drive ($59.99 @ Newegg)
Video Card: Gigabyte GeForce GTX 770 2GB Video Card ($388.99 @ SuperBiiz)
Wireless Network Adapter: Rosewill RNX-N250PCe 802.11b/g/n PCI-Express x1 Wi-Fi Adapter ($19.99 @ Newegg)
Case: Fractal Design Define R4 w/Window (Black Pearl) ATX Mid Tower Case ($79.99 @ Newegg)
Power Supply: Corsair Professional 650W 80 PLUS Gold Certified ATX12V / EPS12V Power Supply ($79.99 @ Newegg)
Optical Drive: Lite-On iHAS124-04 DVD/CD Writer ($17.99 @ Newegg)
Operating System: Microsoft Windows 7 Home Premium SP1 (OEM) (64-bit) ($89.98 @ Outlet PC)
Total: $1378.83
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2013-09-01 07:32 EDT-0400)
 
Solution

ps3hacker12

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Sorry I assumed you were buying from the US because your parts list was from the US site, whats your budget in pounds, PC part picker also has a UK site :)