Nvidia will launch this year (spring) it&#x27;s new cards based on 16nm. That&#x27;s a 4 year jump because cards are now 28nm.
(AMD has the same plans)
A six year jump this year in storage technology is promised by intel, it&#x27;s Octane disk are 7 times faster then ssd in a practice test. Intel believes it&#x27;s technology can be 1000 faster than ssd. 
You can always wait but this time you should.