Wow, I have been away from this space for several months but have 8 x 280's mining Zec - my pool shows estimated earnings of 0.2 zec / month. What on earth happened? After a quick look around it appears that Zec allowed ASIC mining - that appears to have killed off my GPU mining profitability... I am probably loosing 3-4 USD per day.
I have just shut down my miners for this reason - I will need to look for something else to mine. Anyone have any advice?
Many thanks
Yeah, Equihash is now only for ASICs, days of mining it with our GPUs are long gone.

Don't forget to check out WhatToMine for your GPUs; if you've cheaper electricity, you can still profitably mine Monero and Ethereum.