Have your M50's showed up yet ? My guess is that you will really like them... but ebony finish takes time.

I still really enjoy my M40s although I get the impression that M50s are better balanced. So far nothing has gone deeper in my living room than the M40s.

M60ti, VP180, QS8, M2ti, EP500, PC-Plus 20-39
M5HP, M40ti, Sierra-1
LFR1100 active, ADA1500-4 and -8