You can have it any way you want if you are prepared to pay. Cockpit ergonomics are of course a bit subjective given that one man's heaven is another's nightmare depending on what you were flying before.
Given that both the FDS/By button and the A/P OFF button (curiously misnamed) have to be close at hand it is a toss-up what to do with them. One useful modification to the A/P Off button would be to provide a tactile cue - like a very sharp spike on the top of it. Joking apart there is some food for thought there but that would probably be negated by those that insist on wearing gloves..... maybe we stick with the sharp spike idea!!
We could ask for the LNAV button to be labelled 'FMS' and the NAV button 'VOR' seeing as that's what they do and given that we have a plethora of buttons that include the word 'NAV' in them on both the Guidance Controller and the Display Controller.
All in all it does show that our beautiful beast can be improved upon. Are going to tell them or shall I? No, you had better do it.
G.
PS. Please list in your next post all the things you want to improve when the 'B' model arrives giving details of your proposed solution. No-go areas - TR ..... I think we can safely say that that is work-in-progress.