I bought a Roland FR-1XB a year ago and I really like it. I also have a couple of traditional accordions (Piermaria and a Mosella). The value, to me, of the Roland is that I can play without disturbing anyone, I can use it through an amplifier on stage, and It is very light and easy to play. It does, however, have one major fault, in my view, and that is the battery system. The batteries, eight of them, are fiddly to remove and re-install, and seem to be an old technology. I have various power tools with physically small power packs that charge quickly and battery replacement is simple and swift. Why Roland didn't use such a system is beyond me. The end result is that I nearly always play with the accordion plugged in to the main power supply which is a shame.
Anyway, I would strongly urge you buy the Roland if noise is the issue. But I wouldn't want to be without a