Martin Logan Summit vs. Odessy

Is there a huge difference in the sound between the two?
Your best bet is to hop on the matin logan owners club web site. You can do a search and /or sign up to post your question. You'll gat A LOT of help from a great bunch of "characters"!

Yes, I owned both. Summits are way better. The bass matches the panel much better, and the bass is much tighter.
Yes. The Summit does everything better with a smaller footprint. Most folks feel the Summits represent MLs best attempt at integrating the low frequencies with the mids and highs.
Summits ftw.

And yes, we're all characters on the MLO forum. Atleast some of us are... lol...