For creative professionals it will help; but as a software professional I see no reason to be interested in Macs anymore.
I'm sure the top tier model will push nearly $4000. frankly Apple lost me to Fedora/Gnome-Shell about 4 years ago with slow or no updates to their core software applications (Terminal.app... really?), less than impressive hardware when compared against Dells or Thinkpads, and a vertically integrated walled garden model that I just didn't want to be part of anymore.
But.... hey look, more clock cycles. Wooohooo, I guess