Just out of curiosity, do you shoot either caliber equally well? By the way, H&K, Glock, &
Beretta are NOT cheap handguns. Between these three brands, I'd personally ignore the Beretta; avoid the H&K because of its high price and narrow frame, and go with the Glock. If I were a new pistol shooter (Which I am not.) I'd, also, choose 9mm over the much harder and more difficult to ...