So, looking at parts:
cpu: $200-225, i5/6500 skylake,
mb: $100-125, asus z170-e
ram: $75-85, gskill/16gb
gpu: $175-225, msi rx470/8gb
He's not going to OC but not sure which is the locked i5. Probably can't swing price of rx480/8gb. Would a rx480/4gb be better choice than rx470/8gb...