Originally Posted By: cb919
The main reason I am doing this is because we have noted a lack of dialogue clarity in some movies and i really want to see if this can be improved upon.
If it is only some movies then it is the movie track itself and the M2 won't help. The reason for going vertical is better horizontal dispersion for those seated outside the scope of the center, say past ~20 deg. out from the edge of the speaker.

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