a LOT further. seriously. if you can convince him to go to $500, you could do an i3/6850 build or maybe even an i5/6790 build.
also, i would be willing to go to microcenter and pick stuff up for you. you can order it online and put my name in for pickup, and then i can ship the stuff to you. that would be the cheapest way to get a cpu/mobo. you could get an i5 and a mobo for about $260 total.