No consens was found so I would like to hear from you: are your a
"North-Up" or a "Track-Up" sort of pilot (explanation why you are
would help)?

I'm with your friend on Track Up; the map orients itself as to the direction
one is going. For that matter, I rotate paper maps to agree with my
heading; it makes things much simpler to see what's ahead. Simplification =
better for me, especially in a cockpit.

It's just a preference thing though, neither is "right" or "wrong".