Need help building a gaming PC.

[PikaGold]

Can someone help me build a gaming PC? My budget is £450-£500 (720$-$800)

I want it to be able to run newer games such as Advanced Warfare, Fifa 15 and pretty much any new games that are coming out in the future.

 

[3ugene]

Probably give your best shot at picking the parts out and post it here, then we can give you advice on where to improve.