Not sure where you are located, but if close to Seattle, also look at windworks and Seattle sailing club. Both are located at SHilshoal, with in feet of ea other. WIndwarks had mostly dufours(ie dealer for) with a smattering of other brands. Seattle sailing is also the J-boat dealer, so they have a bunch of J's and other brands too. IIRC Windwarks follows the ASA system, Seattle sailing the J-boat class system. Both are probably more the same than different. IIRC looking into the costs a few years back, both are similar in cost.
Not sure, Island sailing may also be Neptune sailing club in Kirkland which I knew back in teh 70's when they had the property that is now David E Brink park, sold San Juans and Lasers. Used to rent hull #s 600-800 and race them back in the day.
She drives me boat,
I drives me dinghy!