I have a pair of Avanti Quattros. That's what I use for my primary summertime fin. I tried those fins when I first purchased this suit. The fins didn't fit. Hmm. Maybe I have the wrong size fin (for the drysuit)? Well, I can answer question. Of course I do. My quattros are sized to fit my summer neoprene boots. My moon boots are MUCH larger. Maybe I should just go a larger size of quattros. I would like that.
I have two sets, one for summertime, and a larger set for drysuit. Give it a shot and see if they'll fit, we both know you can't go wrong with Quattro's...