Hi. I bought gtx 1060 6 gb few months ago, and now thinking about upgrade gtx 1070/1070 ti it would be edge for 3770(I have seen some charts in tom's hardware). Maybe somebody can recommend amd card? Also how much money I can get for used ICHILL GEFORCE GTX 1060 6GB 9GBPS X3 V2? Never used for mining, oc, have box, warranty, papers, etc. Or what card worth to exchange?