I think it depends on the purpose, if your carrying, Walther is out for me, and probably the Glock, I am a big guy but they are a bit thick, I like my Khar9, i was between it and the S&W and the Ruger. I went with the Kahr because i have had good history with them, had a buddy who let me shoot his and i rented the other 2, that and the Price point for a gun thats going to possibly get nicked up was hard to beat. Just my
Ultimately see if you can find a place that rents them and shoot them, see what you like and go from there.
Good Luck, and remember to wait till you see the whites of there Eyes