In my experience the MMG's are pretty light in the bass as compared to the more full-bodied but older SMGa's. The MG12's are pretty good too (more bass than the MMG's) but will cost more. You might well want to consider a pair of the Tekton Design M-Lores for around $600 if you can swing it as they are efficient and can be powered by almost any amplifier (unlike the Maggies).
If you go with the Tektons you could get a used Adcom 3020 integrated or perhaps one of their separate preamps feeding a sweet little EL34 tube amp (maybe Jolida, etc.).
Anyway, these are just some very good alternatives to ponder.
Good luck to you. BTW, I checked out your system and you have some pretty nice gear. :-)
If you go with the Tektons you could get a used Adcom 3020 integrated or perhaps one of their separate preamps feeding a sweet little EL34 tube amp (maybe Jolida, etc.).
Anyway, these are just some very good alternatives to ponder.
Good luck to you. BTW, I checked out your system and you have some pretty nice gear. :-)