Well this one doesn't have OS and the extras, if you need just the pc something like this might be good for you.
Also if you want an OC:able CPU you can get one for a little bit more money.
PCPartPicker part list:
http/uk.pcpartpicker.com/p/3KFST
Price breakdown by merchant: http
/uk.pcpartpicker.com/p/3KFST/by_merchant/
Benchmarks: http
/uk.pcpartpicker.com/p/3KFST/benchmarks/
CPU: Intel Core i5-4590 3.3GHz Quad-Core Processor (£140.39 @ Aria PC)
CPU Cooler: Cooler Master Hyper 212 EVO 82.9 CFM Sleeve Bearing CPU Cooler (£25.45 @ Scan.co.uk)
Motherboard: Asus Z97-A ATX LGA1150 Motherboard (£118.76 @ Scan.co.uk)
Memory: Corsair Vengeance 8GB (2 x 4GB) DDR3-1866 Memory (£64.44 @ CCL Computers)
Storage: Seagate Barracuda 1TB 3.5" 7200RPM Internal Hard Drive (£36.79 @ Amazon UK)
Video Card: MSI Radeon R9 270X 2GB TWIN FROZR Video Card (£149.99 @ Novatech)
Case: Corsair 200R ATX Mid Tower Case (£39.95 @ Amazon UK)
Power Supply: XFX 650W 80+ Bronze Certified Semi-Modular ATX Power Supply (£64.35 @ Amazon UK)
Optical Drive: Lite-On iHAS124-04 DVD/CD Writer (£11.79 @ Amazon UK)
Total: £651.91
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2014-05-15 22:15 BST+0100)
So generally, do you need Monitor, keyboard, mouse, OS then it needs to be revised.
Otherwise it should be a good PC.