well rx470 here is expensive about 1.1k and i am afraid that modding bios will void the warranty...and yupp i plan to mine zcash too
...once again i am pretty new about mining and just started researching for a few day only
...hopefully i get good deals to buy my stuff... imo this forum is full of sharing caring people for now
1.1k for a 470 card? Where do you live?
You can get a 1080 8GB(the top brand with coolers included) here for that much.
I don't even think the 490 when it comes out will cost that much.
You are talking in USD aren't you?
If it does cost that much don't expect to make that money back just for the card alone until maybe a year of mining z-cash.