The new Martin Logans sound superb, top to bottom. Integration on these is not a problem, as it was on previous models to some extent. The sound is pure, dynamic, extended and the imaging is spot on. They paint a very clear and pristine picture of the soundscape.
The Maggies, though maybe not as pristine or perfect sounding as the new Logans, exhibit a more realistic and electrifying experience imho. The stage is large, dynamic (they need their power of course) and bloomy. One really gets the "you are there" feeling. The pattern and reflections from their dipole design probably help in this respect. There is an excitement about listening to them that is addictive and, often missing in box speakers - regardless of cost.
Different yes, but I can't imagine not being happy with either assuming you have the room to set these up properly. They need their space to work their best. I would choose either over just about any speaker out there. If you have a limited budget the Maggie is probably your only choice. And, its a darn good one.