Fore me the situation is a bit "difficult".
I see it as, AMD with Fury X, has shown that the HBM tek works, thats the way to go in the future, thats where the money is.
As far as preformance, thats a bit dissapointing which is mostly due to the hype arround Fury X. Had Nvidia launched GFX 980TI in late summer(as planned), we would all just sit and say....WOW what a card, but Nvidia pulled out a rabbit.
I know most gamers play in less resolutions, to them, its a entusiast card, its NOT made for the masses, its made for the top of the pop.
You might argue that the price is too high, I can only say get over it and find the card in your pricepoint that suits you, I couldnt care less.
The price is right and people are buying it so far, now we can only wait and see what R9 Fury on air brings to the table. That card might end up being the real bang for the buck for AMD, just like R9 290 is, great preformance for a reasonable price.
As for 4K gaming, thats just too soon, the screens just arent good enough yet, but they will be eventually. If you are in the market for a card like Fury X or GTX 980TI it would be a real shame to let them run at a 1080 screen, its simply not good enough to being able using all that power, the sweet spot is in my opinion is 2560X1440 as of now..