Howdy Mike,
I've had a P-11 for a while now. I like it, it digests anything I put in it and as long as I don't use it for sillouette it shoots just fine. I bought the belt clip for it so I don't use a holster (being kinda thin myself, I need to slim down the profile as much as possible) One thing I have noticed though.... when carrying, sometimes the magazine ejector button gets pushed on by my body and the magazine pops out about 1/8" of an inch. I'm sure this would lead to a malfunction in time of need so I plan to reduce the button profile a little. Just a heads up. Enjoy.