I love my Security 380. I used to carry a Kel-Tec P32 some of the time, but I'm starting to get arthritis in my hands, so I was having more trouble racking the tiny P32 slide. I handled a Security 380 at a gun store (was with a friend who was looking at it) and loved the feel, and ease of operation (plus, it was a Ruger ;^). So I ended up trading my P32 for a Security 380; funny thing, the recoil springs on the two pistols actually require the same amount of force to compress (by my measurements), but the Ruger is MUCH easier & feels MUCH lighter because of the slide design.
After getting the Security 380, I discovered that it's a reloader's dream gun. One of the factors that limits performance of the .380 auto cartridge is overall cartridge length, which affects bullet weight and profile, as well as propellant volume. The Security 380 magwell will also accept Security 9 magazines, which let's me load .380 cartridges with a longer overall length if I'm using 9mm mags, and the Ruger chamber accomodates my longer reloads very nicely. Not only does that provide additional options when buying reloading components (I'm loading a lot of 115-125 gr cast bullets), but my specific example seems to produce better accuracy with the longer reloaded cartridges than it does with factory ammunition.
I have more expensive handguns, that most folks would consider "more capable" and "much nicer", but long term, I may end up selling some of those and keeping the Security 380. It's fun to shoot, fun to reload for, and fits my personal needs.
As always IMHO, FWIW, YMMV, etc., etc.
