I love my LC9. I carry it 24/7 when allowed. If my dress does not allow me to carry my LC (which is not very often) I carry my LCP which I think in a close situation will get the job done.
After firing the Army's M9 for the last 1/4 of my career (fired a S&W 38 for 3/4's) - I decided I liked that caliber. I now have four weapons that can use the same ammo.
Ruger SP101 3" 327 Federal Magnum. Spits out a 100 grain pill at 1500 fps and 500 fpe for 18" penetration in gelatin. Even more wicked with some good hand loads.
Went to the range and wiped out 200rds of 9mm 25 rds of 7.62X54R and some 20 ga. shot and slugs. It was a great day. Not a hiccup out of either of the LC9's.