My favorite is the Model 36 with the 3 inch bbl.
My regular summer carry gun is a 642. Light, small and plenty good.
I have owned N frame S&Ws in .45 Colt, .44 mag, .41 mag and .357 mag.
Every single one was perfect, not a flaw on them. a Model 27 with an 8-3/8 inch barrel may have been the most accurate but not sure. They were all fine shooters.
Probably the best shooting I have ever done was with a model 57 in .41 mag when I was demonstrating it to a guy I was selling it to. He did not even want to shoot it but he paid me more than it was worth after seeing what it could do.