http://pcpartpicker.com/part/powercolor-video-card-axr9270x2gbd5ppdhe
Or if you are willing to stretch your budget by a bit
http://pcpartpicker.com/part/powercolor-video-card-axr92803gbd5t2dheoc
My max budget is 170 dollars for a GPU. So far, I'm going with the gigabyte r9 280.