I like my Mod 37 for carry-
I've got a 36 in my nightstand next to my 12 ga Winchester 8 shot Defender 18". I have a 30,31,34,35,36 adj sights,40 and 42 as well as a 19. I find the 37 MUCH easier to carry but the steel ones are nicer to practice with. The 19 is a real load to haul around...