I would be gaming for 3-4 years with either system
CPU: AMD FX-8320 3.5GHz 8-Core Processor (£113.99 @ Aria PC)
Motherboard: MSI 970A-G43 ATX AM3+ Motherboard (£52.24 @ Aria PC)
Memory: GeIL Enhance CORSA 8GB (2 x 4GB) DDR3-1333 Memory (£36.99 @ Amazon UK)
Storage: Western Digital AV-GP 1TB 3.5" 7200RPM Internal Hard Drive (£39.99 @ Amazon UK)
Video Card: MSI GeForce GTX 670 2GB Video Card (£263.60 @ Scan.co.uk)
Case: CiT Vantage ATX Mid Tower Case (£29.99 @ Ebuyer)
Power Supply: Inwin 550W 80 PLUS Bronze Certified ATX12V / EPS12V Power Supply (£38.30 @ CCL Computers)
Optical Drive: Lite-On iHAS124-04 DVD/CD Writer (£11.87 @ Aria PC)
Operating System: Microsoft Windows 7 Home Premium SP1 (OEM) (64-bit) (£68.35 @ CCL Computers)
Total: £655.32
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2013-07-20 16:05 BST+0100)
Or
CPU: Intel Core i5-3470 3.2GHz Quad-Core Processor (£140.99 @ Aria PC)
Motherboard: MSI B75MA-E33 Micro ATX LGA1155 Motherboard (£44.10 @ Scan.co.uk)
Memory: GeIL Enhance CORSA 8GB (2 x 4GB) DDR3-1600 Memory (£40.99 @ Amazon UK)
Storage: Western Digital AV-GP 1TB 3.5" 7200RPM Internal Hard Drive (£39.99 @ Amazon UK)
Video Card: MSI GeForce GTX 760 2GB Video Card (£195.17 @ Dabs)
Case: CiT Vantage ATX Mid Tower Case (£29.99 @ Ebuyer)
Power Supply: Inwin 550W 80 PLUS Bronze Certified ATX12V / EPS12V Power Supply (£38.30 @ CCL Computers)
Optical Drive: Lite-On iHAS124-04 DVD/CD Writer (£11.87 @ Aria PC)
Operating System: Microsoft Windows 7 Home Premium SP1 (OEM) (64-bit) (£68.35 @ CCL Computers)
Total: £609.75
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2013-07-20 15:45 BST+0100)
CPU: AMD FX-8320 3.5GHz 8-Core Processor (£113.99 @ Aria PC)
Motherboard: MSI 970A-G43 ATX AM3+ Motherboard (£52.24 @ Aria PC)
Memory: GeIL Enhance CORSA 8GB (2 x 4GB) DDR3-1333 Memory (£36.99 @ Amazon UK)
Storage: Western Digital AV-GP 1TB 3.5" 7200RPM Internal Hard Drive (£39.99 @ Amazon UK)
Video Card: MSI GeForce GTX 670 2GB Video Card (£263.60 @ Scan.co.uk)
Case: CiT Vantage ATX Mid Tower Case (£29.99 @ Ebuyer)
Power Supply: Inwin 550W 80 PLUS Bronze Certified ATX12V / EPS12V Power Supply (£38.30 @ CCL Computers)
Optical Drive: Lite-On iHAS124-04 DVD/CD Writer (£11.87 @ Aria PC)
Operating System: Microsoft Windows 7 Home Premium SP1 (OEM) (64-bit) (£68.35 @ CCL Computers)
Total: £655.32
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2013-07-20 16:05 BST+0100)
Or
CPU: Intel Core i5-3470 3.2GHz Quad-Core Processor (£140.99 @ Aria PC)
Motherboard: MSI B75MA-E33 Micro ATX LGA1155 Motherboard (£44.10 @ Scan.co.uk)
Memory: GeIL Enhance CORSA 8GB (2 x 4GB) DDR3-1600 Memory (£40.99 @ Amazon UK)
Storage: Western Digital AV-GP 1TB 3.5" 7200RPM Internal Hard Drive (£39.99 @ Amazon UK)
Video Card: MSI GeForce GTX 760 2GB Video Card (£195.17 @ Dabs)
Case: CiT Vantage ATX Mid Tower Case (£29.99 @ Ebuyer)
Power Supply: Inwin 550W 80 PLUS Bronze Certified ATX12V / EPS12V Power Supply (£38.30 @ CCL Computers)
Optical Drive: Lite-On iHAS124-04 DVD/CD Writer (£11.87 @ Aria PC)
Operating System: Microsoft Windows 7 Home Premium SP1 (OEM) (64-bit) (£68.35 @ CCL Computers)
Total: £609.75
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2013-07-20 15:45 BST+0100)