I have. I tried the Kimber, Shield, Sig small 9s, the Kahr, and chose the Beretta NANO as the most advanced of the breed. In a class by itself from an engineering and reliability standpoint. I still have some of the other guns, including the Walther PPS which is excellent - second only to the NANO. Between the Shield and Walther PPS, the NANO is alone that can be considered a pocket rocket.
But it is a stretch. I have the Smith 380 BG for pocket carry.
Later I added the Beretta trijicon night sights and the well-fitting LASERMAX laser...which looks as if it were part of, and not attached to, the frame.
Not a single failure with the NANO after a few hundred rounds.
BTW, I had just gotten a 640 Pro series SS revolver from Smith. Nice!
But then for most carry situations I like the 8 round + 1 Nano...snub nose... with DPX ammo, 400 ft/lbs at the muzzle. Makes sense.