That's the plan. And no i am not 100% sure that it would be an improvement if i just change some stuff to more expensive versions with the same values. I got a mate who upgraded the internals of a pair of rb,'s though and they really sound amazing.
Better components is always a good idea no matter what speaker we are talking about.
You are not right about that. I could easily a/b blindfolded if you changed my speaker cables. The same goes for the internal wiring just by a greater extend i suspect.
I didn't believe in wires until a mate tried a new pair in my system and holy shit, i upgraded everything shortly after.