Think its plausible that there will an extra special SKU wrangling closeish to a stock 1070. Often see the absolute top AID cards a tier down getting close to the stock cards a tier up.
(Especially at lower resolutions where there's no bandwidth.).
Stuff like die picking, extra special coolers etc. AMD/their AIBs have got real motivation to do it to try and compete.
Won't be especially cheap though, and the power efficiency might well be horrid.
When we talk specifically pricing, this is already game over in my eyes. The 480 is at $200....
So still the similar pricepoint of the GTX 960vsR9 380.
However, the GTX 1070 is MORE expensive and delivers less of a chip than the GTX 970 did.
So the price gap Nvidia has to fill is far larger.
If AMD holds steady on their pricing and goes $300 for the R9 490, $400 for the R9 490x $500 for new Fury, $650 for new Fury X, Nvidia has to drop pricing. They can't raise their prices in the 1070/1080, and compete with AMD STILL if AMD holds pricing steady like it looks like they are doing.
But I could be completely wrong, people may just continue to buy Nvidia no matter what.
I feel this is AMD's largest chance to make a comeback. A flop here would be disastrous.