I shy away from them (on sailboats) too, but would not necessarily disqualify a desirable boat due to a turbo engine. Especially one with a low-boost version. I could live with it if adequately/properly heat shielded.
Also, there's boost and then there's boost. Our 31 footer has a naturally aspirated 3 cylinder 27 hp Yanmar. My brothers 31 footer has a 6 cylinder Yanmar turbo that puts out 440 hp. Now that's