What you think of this Gaming Rig And Are my missing anything

Processor:£177:Intel® Core™ i5 2500K 3.30GHz
http://www.novatech.co.uk/products/components/processor...
Cpu Cooler:£30:Coolermaster Hyper 212 EVO CPU Cooler
http://www.novatech.co.uk/products/components/cooling/c...
Graphics Card:£200:SAPPHIRE AMD Radeon HD 7850 OC 2gb
http://www.novatech.co.uk/products/components/atiradeon...
Ram/Memory:£41:Corsair Vengeance 8GB 1600MHz
http://www.novatech.co.uk/products/components/memory-pc...
Case:£48:Sharkoon T9 Value Gaming Case
http://www.novatech.co.uk/products/components/cases/cas...
HardDrive:£57:WD 500GB 64MB CHD 7200rpm
http://www.novatech.co.uk/products/components/harddrive...
Optical Drives:£14:Samsung 22x DVD+/-RW
http://www.novatech.co.uk/products/components/opticaldr...
motherboard:£100:ASUS P8Z77-V LX Intel Z77
http://www.novatech.co.uk/products/components/motherboa...
power supply:£65:Novatech PowerStation 750w
http://www.novatech.co.uk/products/components/powersupp...

are my missing anything apart from a monitor mouse and keyboard apart from them what am i missing