There's the Kel-Tec PF9 too. Inexpensive, slim, light, good sights, and reliable. Most people don't care for the trigger pull, but I happen to like it.

Took it right out of the box and put 200 rounds through it back to back to back.

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Having confirmed it worked, I sent it off to be hardchromed. Came back looking like this.

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In my opinion, you still need a good-sized pocket to even think about pocket carry though.