I know your not looking for an auto but Springfield armory has some sweet deals out there on new stuff.
I've fired their XD series and at .45, .40 or 9mm its a quality affordable gun.
They run around 500 new with a case and 2 mags. Springfield Armory
I carry a walther pps in 40cal
the taurus 740s is a 40cal as well
both come in 9mm also, both less than 1" wide
I used to carry nothing but revolvers, reason being is reliability but if you need/want to wear normal clothing in the summer time, an auto in a smart carry, or pocket holster is the way to go..
For concealment purposes, smith and wesson makes a bodyguard series. 38spec. Hammerless and a 380 auto. Usually from around 400$. It's a smaller caliber but very reliable and concealable.
Also I have a compact S&M M&P model 40cal that's pretty concealable. Holds 10+1.
If you don't mind spending a lil more Kimber makes some nice compact 40s and 45s. all autos.
Hard to go wrong with a Smith, Ruger, SpringField, Berretta,etc.