I am using RoomPerfect (the Lyngdorf system) via an MEN220 (McInstosh licenses the software) - the difference it made was overwhelmingly positive - so, at least in terms of RoomPerfect, I think it’s terrific - I can’t imagine going without at this point
(and certainly understand the appeal of “one box” solutions, with the Lyngdorf a very nice looking piece of gear)