Catalina 25s are available in trailerable versions, so look for one of those.. probably hard to find a similarly roomy boat in that type/size/price range.. Here in the PNW there's little need for a swing keel unless taking the boat home everyday is the preference. Certainly saves on moorage costs.
1984 Fast/Nicholson 345 "FastForward"
".. there is much you could do at sea with common sense.. and very little you could do without it.."
Capt G E Ericson (from "The Cruel Sea" by Nicholas Monsarrat)