This is an excellent question Marburg. I can tell you about my experience. Over the last five or so years I have used Magnepan 3.6's, Avalon towers, Linn Ninka's, Dynaudio. I now use Merlin TSM-mme's with two (2) sunfire subwoofers. I was able to dial this system in and have no desire for anything else. I found the stand mount monitor easier to place. It also has the ability to get the Orchestra image correct in my odd shaped room.
I could never get the floor standing full range speakers to do what the monitors and subs can. They get a lot correct but not all of it in my system.
I could never get the floor standing full range speakers to do what the monitors and subs can. They get a lot correct but not all of it in my system.