Avantgarde Duos: Omega or Mezzo?

Correction: Above all I value musicality...

I have Duo, never heard Mezzo. If I may, I would really try to audition first. I suspect Mezzo is a significant improvement, but you should absolutely take your room into a consideration. What size is it, BTW? Any room treatments?

I have two possible rooms:

1- Guest br: 16ft x 12ft (about 18sqm which is less than the 20 recommended) - Could consider room treatments here.

2- Main room: 42ft x 24ft. No room treatments here.

My main concern with the Omega is that I've read that bass integration isn't that smooth, and I get the impression that the Mezzo's would be a more complete speaker. Also, I want to play them at a low volume most of the time, and from what I've read the Mezzo's would do this better.

As for auditioning, save for flying to Germany, I think it will be hard. It's a bit shocking that the dealer wouldn't carry a pair of Mezzo's since I live in NYC (prob one of the top income cities in the US).

Miguel

Maril555: Nice system! Noticed you have subwoofers. Is this b/c the Duo Omega won't go low enough?