Take a look at the SIG P938, Kimber Solo, and Rohrbaugh.
As for myself, my "last resort if nothing else fits" is a S&W 36 in a Mika pocket holster. But I am about to buy a Kimber Ultra RCP 1911, as the rule of thumb is: carry the most powerful handgun you can control and conceal.
Member: Orange Gunsite Family, NRA--Life, Varmint Hunters' Assn., ARTCA, American Legion, & South Cuyahoga Sportsmen's Assn.
"Gunnery, gunnery, gunnery...all else is twaddle!" --Admiral Sir John Fisher, RN