Exactly. Upgrading the keyboard in this case is more like improving your composing sheet or getting a better pen for composing -- not the limiting factor at all

Exactly. Upgrading the keyboard in this case is more like improving your composing sheet or getting a better pen for composing -- not the limiting factor at all. I guess the real 'instrument upgrade' analogy in this case would be upgrading the human mind, or perhaps a well tuned programming language.