This seems to winding down, so I did a (very) quick tally of the replies....here goes.
S&W J frame: 24
Glock: 19
1911 (all): 13
Kahr: 7
Sig: 11
H&K: 8
CZ: 2
KelTec: 5
Walther: 3
NAA: 1
S&W auto: 1
Every gun mentioned specifically was included....the winner
S&W J" frame
Glock pretty close second
1911's and Sig ...fairly close 3rd place.
The real winner is the one that you have on you when you need it.
Thanks and hope you enjoyed this thread.
Shoot well