Right now I have this computer https://www.newegg.com/Product/Product.aspx?Item=N82E16883227509&cm_re=i_buy_power_amd_r7_360-_-83-227-509-_-Product. Please give me suggestions that will turn this machine into a gaming rig that can run Fallout 4 or GTA 5 at Medium/High at 1080p 60fps. My budget...