My only comment on revolvers would me to make sure it's rated for +P. Maybe they all are these days, I'm not sure. A little .357 may be a great way to go if it's still in your weight limits.
I have a '77 Colt Det Special, from what I've read it's iffy with the +P ammo, and that's all I see on the shelves at Cabela's.
And having a 6 shot is nice compared to a 5 shooter IMO.