Nvidia is looking good right now. I am only having mining rigs with the RX Series but at my personal PC that I use for work and play I have an Nvidia GTX 1060 and a GTX 1050 ti. They are performing extremely well, in fact GTX 1060 makes more per day mining LBRY than what RX 480 in stock settings does mining Ethereum or Zcash. GTX 1060 is cheaper than RX 480.