http://pcpartpicker.com/list/7Vm7Cycorsair psu and 8gb ram. G3900, xion matx case, Asus H110, 128gb m.2 ssd. $224.12
I love hypothetical builds, I am currently considering a build centered around an AMD 5350/mb combo ($40 at Microcenter) and an RX360. Just to see what can be squeezed out of it.