HB,Just my opinion but the Catalina 27 seems to be the best fit for me and what I am looking for. Yes it is 3" over width but seriously doubt you will be getting a ticket but then again its possible. I have read several threads where people have towed them long distance with no permits and no problems. With over 6000 produced you will have no problem finding one. They are tough boats not bluewater but they have circled the globe more than once. Price point, toughness, and availability, best bang for your buck. Almost forgot you need at least 3/4 ton diesel for towing. In my opinion.
I have a friend who bought a fin keel C27 in Michigan. Tiller/A4. It was on a steel cradle. He drove out with his truck and a bed trailer. After he bought it, he welded the cradle to the trailer and had it placed on. He drove back without permits and was not stopped. I am not advocating that, just saying.
When he got back 700 miles and 5 states later to Minneapolis, the lake he kept it on did not have a crane. So he created a steel extending frame with dolly wheels to extend the trailer into deep water. It was a huge job, but done once once a year.
Said his truck towed it fine.