chirufan1 :
i wanted a system around the r9 280x read carefully.the only reason im giving a dignified answer is because u did try to help.again read caefully
Sorry about that. You can't really go under 750 like that without bottlenecking. So this is the cheapest I could find without bottlenecking and can run any game 1080p.
http://pcpartpicker.com/p/1PrjW