Kahr PM9 was my primary carry for several years...and it's nearly ideal if you need pocket carry on a fairly regular basis.
I think that the Kahr PM9 is ideal for a summer carry pistol. I like the Rohrbaugh too, but I do not believe that it is rated for +P. I think a PM9 with Winchester Ranger +P+ is a great pocket carry. Before that, I had a Seacamp 380 (which is very similar to the Rohrbaugh), but the Kahr is exponentially more accurate.