Still haven't heard a pair of Magnepans in house or even in store for long. Once heard a pair at a local company but for all of two minutes (and with whatever music they had playing and in a very full room of gear) as we were there searching for something for a friend.
I was long intrigued with them but backed off because of three things:
-cost
-requires something separate for bass
-more cost and space for components (to buy massive amps to feed them)

"Those who preach the myths of audio are ignorant of truth."