I just shot a P239 yesterday and loved it. I've been looking for a small, concealable weapon for carry, and was considering the Walther PPS, but after shooting this Sig have made my mind up. I shot it in 9mm, which I liked, but have also been reading up on the .357 and .40 cal versions. Has anyone shot both the 9mm and one or both of the others, or owners out there, how did you make your choice? One thing to consider is that I have a 9mm and a .45 which I like a lot. I'm going to be using this Sig to replace a .40 I have, so from an ammo standpoint, it might be nice to just concentrate on 9mm (aside from my .45). I've already been playing the game of having a bunch of different calibers of ammo for my handguns and so it's a small consideration. That, and the one less round of mag capacity in an already rather small capacity gun. Thanks!