I'm in the same boat, the G4 being my first. Although technically, it hasn't arrived yet so it isn't really my first yet, but you get the point. But already I can speak from experince, post documentation suggestions in the thread for the manual.
Infill G4 Manual
It does get read and I've already seen a number of suggestions make it into the rolling updates, although I can in no way speak for the company and promise anything.