RE: 9mm revolver
Actually out of a 2" barrel and using +P ammo or even +P+ the 9mm beats the .38spcl. Some of the 9mm +P+ in 125 grain weights is equal to the .357sig and .357mag 125 grain loads.
I owned the 905 for awhile and it shot great. I did very well with Corbon 125 grain +P's.