Haven't had my PPS 9 mm too long but I really really like it for CC.
When I looked at the PPS at my local gun shop, the guy I worked with had never fired a PPS but mentioned that one of his coworkers felt the recoil of the PPS .40 was too substantial for him.
Only thing about the PPS that some might feel is different is the magizine release. I don't have any problem with it but I've read here at The Firing Line that others are not comfortable with this type of mag release.
For now I am using a Desantis Super Fly pocket holster. Doesn't quite hide completely in my back pants pocket but in winter with coats and jackets and sweaters, it is out out sight and not uncomfortable back there. Without a untucked shirt or sweater or jacket the grip is partially exposed. In a few weeks I should receive my FIST kydex IWB holster and I am hoping that will work well for warmer weather CC.
I had a surprise with my PPS with Speer Gold Dot Hollow Point ammo. There was a hesitation to chamber the first round. I pulled the slide back and released, and the slide moved forward a bit and then stopped. About the time I thought, what the heck, it finished chambering the round. This happened more than once. I just polished the feed ramp this afternoon and that feed pause didn't happen so hopefully it is gone.
When I was buying this latest pistol, I had my choices narrowed down to three, S&W M&P9c, Glock G26 and the PPS 9. I ended up buying the M&P9c and PPS 9. I am just not a glock fanboy, it possibly could be the better handgun for all I know.
I grab the PPS for CC 99 % of the time. I like the grip and sights of the M&P9c better but the PPS is thinner and seems to concile better for my build.
Hope this helps your decision. I have no gripes or buyers remorse about the PPS 9 at all.