cubing limit

So, I have recently been thinking about how GAN has been releasing soo many new 3x3s with each one, “surpassing” the last. Which brings up the question, have we reached the limit on 3x3 hardware? When the 356X came out everyone switched to it and it instantly became soo many people’s main 3x3...

So I think this could spark up some discussion. Four or five years ago, almost everyone would have answered this question with "No freakin way!". But I feel that in 2015, posing such a question doesn't sound so unrealistic. The question is whether it is possible for every cuber to achieve...