I just picked up a gorgeous Kimber Solo STS today. The early models of these guns were considered unreliable, so exercise caution if you plan to purchase one. That said, this may be the best looking pistol I have ever seen, and the build quality is incredible.
Here's a chart comparing it to my other favorite carry piece, the Kahr CM9. It is taken from this Imgur gallery that compares the solo to several other pocket nines: