"Gigabyte GeForce GTX 1070 – If you pay more than $0.08/kwh for electricity, the very efficient Nvidia GTX 1070 can produce 28mh using only 90 watts of electricity. "
Are you sure about that? I found on another page that the card also needs about 130-150w
(for example: http://cryptomining-blog.com/tag/gtx-1070-hashrate/ )
That's why I've been turned away, until I found a coin I truly believe in the fundamentals. The ASIC route you know exactly what you're getting. There are a lot of factors and it's not always "more money the better." You gotta know where to spend and it's difficult at first.