i do think that the GTX 1060 is a better option when it comes to mining, plus you can always resell those cards to gamers if anything happens to the cryptocurrency industry. With these new mining only gpus, you probably wont be able to do that. so it makes sense that people are opting for the gtx 1060s and 1070s but have you seen the prices on those cards lately. I went to a local used computer parts store and their prices for the high-end cards have doubled since the last time i went there. Those aren't even the ones with the box and all the documentations.