All that being said, as I read a lot of the foregoing, I see lots and lots of numbers, but little sense that the pilots are simply flying the plane. Is this a result of pilots spending hours in front of computer flight simulators before or in the midst of training? I opine that there is a shift in the emphasis away from to plane itself, and toward all of the information that today's indicators provide. Take yourself back to the Tiger Moth, the airspeed is indicated out on the wingstrut, and really is not that accurate anyway, and the tachometer really does not work that well either. I very much doubt that Tiger Moth instruction and operation was filled with all of these numbers!
Just feel the plane, listen to the engine and the airstream, and watch where you are going. During VFR, this should be all you need to fly very well! During my Caravan type training, I had a training pilot who was fixated on numbers. I got frustrated enough with this that I covered the airspeed indicator, and flew a very presentable (and totally safe) circuit. If you need to look at the airspeed this often, you need to improve your skills.
Who hoo, somebody talking sense. That won't do at all, expect incoming.