I ran with a pair of M2s as my center for a while (TWWT sounded best, I think) but eventually picked up a VP100 and was surprised to find that the VP100 consistently sounded a bit better than the M2s. I was not expecting that.

It would be interesting to hear some 2xM22 vs VP150 comparisons.

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