One snub I'd not mind adding to my retirement CCW collection would be a 3" M37, especially if the company decided to make it DAO configuration. I managed to have a cop shop locate a nice example of the limited production 37-2DAO before i retired. It had been part of a production run for an overseas police order that was canceled before delivery. If I remember right, the total units produced for that contract run was approx 800 units?
Anyway when the contract was canceled S&W dumped the guns on the American market through at least a couple of their large wholesale vendors. It was built on the older Airweight frame, with the shorter cylinder window, and the factory used older machined parts, including factory DAO hammers.
Aside from putting different grip stocks on it from time to time, the only thing I've added has been a dab of bright red/orange polish to the front sight ramp.
A couple pics of mine wearing different different stocks. (It presently wears a set of the discontinued UM Boot grips, but I never took a pic of it that way.)
Personally, I think a 3" DAO Airweight, especially if made on the newer Airweight frames rated for +P, would be a very handy & lightweight belt gun ... for those times you didn't want to feel the weight of a belt gun.
Of course, to really make such a
never-gonna-happen M37DAO complete, I'd also wish for the factory to install the standard XS/24 Dot NS, and scallop the rear notch, like they do for the M&P 340/360 snubs.