I rotate my carry guns depending on how I am dressed. The guns I rotate are: Kahr P380, PM9, Beretta Nano, Kimber Solo, and Walther PPS. The P380 is the easiest to carry and conceal as it is the smallest and lightest in weight. The PM9 and Solo are next in line in ease of carry, then the Nano, and finally the PPS. That said, usually choose one of the 9mm if possible simply because I like the 9mm over the 380. I find no significant differences in accuracy, reliability, maintenance between the guns.