Thank to all you guys for sharing your ideas and experience. I'v readed full topic and amazed with all your works.

I still have one question. I'm new with gpu mining and going to build my first rigs. It would be great if i use your experience and don't waste money&time for researching and experimenting. Right now i'm interested wich card is better to go with. I'm considering between rx470 & rx480 also what is the difference for mining between 4GB and 8 GB versions? Which brand and model is better to use for mining ? Which one is more reliable and user friendly in maintance, upgrading, etc...

Let's discuss cards and get finall solution for me and for other interested beginners...