Only a few months old and has had very little use and is like new.

Specs as follows:
Gigabyte SKT-1155 Z77-DS3H Motherboard
Corsair CMZ8GX3M2A1600C9B Vengeance 8GB Memory
Intel Core I5-3470 Processor (3.20GHZ, 6MB Cache, Socket 1155)
MSI AMD HD7850 1GB DDR5 PCI-E Graphics Card
WD Black 500GB HDD
Gigabyte Luxo X10 Black Midi Desktop Gaming Tower PC Case
LG 22EA63V 22-inch IPS LED 1920 x 1080 VGA DVI HDMI Monitor
Cooler Master 500W 12V Elite Power 500 Power Supply
DVDRW Drive
TP-Link TL-WN822N 300MBPS High Gain Wireless N USB Adapter

Looking around £550

If you are interested let me know, thanks.