There are those that still have and love their M50's, but IMO, the benefit and love for the M3 is due to the illusion of more bass from a small bookshelf speaker. This is now a moot point when moving up to the floorstanders.

Jason
M80 v2
VP160 v3
QS8 v2
PB13 Ultra
Denon 3808
Samsung 85" Q70