The 40-series Super lineup is going to be utterly pointless unless it improves the performance/$ of this generation, and it probably won't. If Nvidia releases a card that is 15% faster than a current card they will charge 15% more than the street value of that card, resulting in absolutely no change in the market. They'll possibly claim that existing cards are getting a discount by "officially" reducing their MSRP to what they've been selling for the last 6 months anyway...
The only thing they could have done that would have been useful is add a 12GB mainstream card, but that isn't going to happen according the leaks so we're still left with nothing but weak BS under $500 that lacks enough VRAM and doesn't even have enough grunt to enable raytracing.