There's an MSI GTX 1080 on sale on amazon for 350 quid! this seems ridiculously cheap to me as they're usually around 700 quid aren't they?
https://www.amazon.co.uk/MSI-GeForce-GTX-1080-AERO/dp/B01GELBQ7Y/ref=sr_1_8?s=computers&ie=UTF8&qid=1481027866&sr=1-8&keywords=gtx+1080
https://www.amazon.co.uk/MSI-GeForce-GTX-1080-AERO/dp/B01GELBQ7Y/ref=sr_1_8?s=computers&ie=UTF8&qid=1481027866&sr=1-8&keywords=gtx+1080