best gaming pc build for £600

[Biology]

Sorry I keep asking but everyone's opinion is appreciated, I also need no OS or peripherals, thanks.

 

[Calnin]

PCPartPicker part list: http://uk.pcpartpicker.com/p/kw7223
Price breakdown by merchant: http://uk.pcpartpicker.com/p/kw7223/by_merchant/
Benchmarks: http://uk.pcpartpicker.com/p/kw7223/benchmarks/

CPU: Intel Core i5-4440 3.1GHz Quad-Core Processor (£127.19 @ Aria PC)
Motherboard: ASRock Z97 PRO4 ATX LGA1150 Motherboard (£80.08 @ Dabs)
Memory: Corsair Vengeance 8GB (2 x 4GB) DDR3-1600 Memory (£55.34 @ Scan.co.uk)
Storage: Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive (£39.50 @ Amazon UK)
Video Card: MSI GeForce GTX 760 2GB TWIN FROZR Video Card (£176.11 @ Scan.co.uk)
Case: Corsair 200R ATX Mid Tower Case (£44.95 @ CCL Computers)
Power Supply: XFX TS 550W 80+ Gold Certified ATX Power Supply (£56.99 @ Dabs)
Optical Drive: Lite-On iHDS118-04 DVD/CD Drive (£10.78 @ Scan.co.uk)
Total: £590.94

 

[woltej1]

PCPartPicker part list: http://uk.pcpartpicker.com/p/gKcQGX
Price breakdown by merchant: http://uk.pcpartpicker.com/p/gKcQGX/by_merchant/
Benchmarks: http://uk.pcpartpicker.com/p/gKcQGX/benchmarks/

CPU: Intel Core i5-4590 3.3GHz Quad-Core Processor (£140.39 @ Aria PC)
Motherboard: MSI H97M-G43 Micro ATX LGA1150 Motherboard (£65.96 @ Scan.co.uk)
Memory: Corsair Vengeance 8GB (2 x 4GB) DDR3-1600 Memory (£55.34 @ Scan.co.uk)
Storage: Kingston SSDNow V300 Series 60GB 2.5" Solid State Drive (£34.98 @ Dabs)
Storage: Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive (£39.50 @ Amazon UK)
Video Card: MSI Radeon R9 280X 3GB TWIN FROZR Video Card (£204.34 @ Scan.co.uk)
Case: Thermaltake Versa H22 ATX Mid Tower Case (£26.24 @ Scan.co.uk)
Power Supply: XFX 550W 80+ Bronze Certified ATX Power Supply (£46.98 @ Aria PC)
Total: £613.73

 

[Suztera]

PCPartPicker part list / Price breakdown by merchant / Benchmarks

CPU: Intel Core i5-4460 3.2GHz Quad-Core Processor (£127.19 @ Aria PC)
Motherboard: ASRock H97 PRO4 ATX LGA1150 Motherboard (£74.59 @ Overclockers.co.uk)
Memory: Corsair Vengeance 8GB (2 x 4GB) DDR3-1600 Memory (£55.34 @ Scan.co.uk)
Storage: Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive (£39.50 @ Amazon UK)
Video Card: MSI Radeon R9 280X 3GB TWIN FROZR Video Card (£204.34 @ Scan.co.uk)
Case: Corsair 200R ATX Mid Tower Case (£44.95 @ CCL Computers)
Power Supply: XFX 550W 80+ Bronze Certified ATX Power Supply (£46.98 @ Aria PC)
Optical Drive: Lite-On iHDS118-04 DVD/CD Drive (£10.78 @ Scan.co.uk)
Total: £603.67
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2014-06-03 20:47 BST+0100)

 

[sora]

PCPartPicker part list / Price breakdown by merchant / Benchmarks

CPU: Intel Core i5-4460 3.2GHz Quad-Core Processor (£127.19 @ Aria PC)
Motherboard: ASRock H97 PRO4 ATX LGA1150 Motherboard (£74.59 @ Overclockers.co.uk)
Memory: Corsair Vengeance 8GB (2 x 4GB) DDR3-1600 Memory (£55.34 @ Scan.co.uk)
Storage: Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive (£39.50 @ Amazon UK)
Video Card: MSI Radeon R9 280X 3GB TWIN FROZR Video Card (£204.34 @ Scan.co.uk)
Case: Corsair 200R ATX Mid Tower Case (£44.95 @ CCL Computers)
Power Supply: XFX 550W 80+ Bronze Certified ATX Power Supply (£46.98 @ Aria PC)
Optical Drive: Lite-On iHDS118-04 DVD/CD Drive (£10.78 @ Scan.co.uk)
Total: £603.67
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2014-06-03 20:47 BST+0100)

+1, especially since the R9 280x has a better price per pound performance.

OP, are you looking to overclock or no?