The audiobytes are designed for nearfield listening, the M3s are not. The M3s can get by with out a sub the Audiobytes could really use a sub. It is still a personal decision. If nothing else you would have a nice 2 channel system for use elsewhere if the M3s don't work out.

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