Prices are horrendous? Are they though? Lets look back 10 years:
Geforce 1080 TI : $699
Geforce 1080: $599-$699
Geforce 980Ti: $649
Geforce 980: $549
Geforce 780ti: $699
Geforce 780: $649
Geforce 680: $499
Geforce 580: $499
Geforce 480: $499
Geforce 295: $499
Geforce 280: $650
Geforce 9800 GX2: $666
Geforce 8800 Ultra: $830
Geforce 7900: $599
Geforce 7800: $499
Average launch price: $613.
So yes, if you utterly discount inflation and that R&D/wafer costs have gone up, then the Geforce 1080ti is above average, (not yet ridiculous prices yet I think).
I don't think you can call Nvidia lacking in innovation though, not when they have the fastest cards, support the highest level DX12 feature list (AMD does not) and win out in performance if you compare both chip size and TDP. Plus there is Volta coming up, which is a major GPU redesign.