Zorin OS takes this approach (and pretty far). At first boot you get to select Windows, Mac, Unity or Zorin style and it shifts a bunch of things around based o

Zorin OS takes this approach (and pretty far). At first boot you get to select Windows, Mac, Unity or Zorin style and it shifts a bunch of things around based on that. It would be nice for KDE to have three presets: Windows, Mac, and Classic (= KDE).