Got lucky in September with a couple of EVGA GTX1060 6GB cards with Samsung memory. One does +600 memory, the other does +800 for 23 and 24 MH/s on ETH.
I just added an EVGA GTX1060 3GB. Seems to be Hynix but overclocks well, so it's not so bad. It's doing 19.5 MH/s at +800 memory.