OK I have been out of the loop for a bit but I always enjoy a good PPP discussion.
For me it often just depends on what mood I am in:
Ruger 44 specials always fit
But my FA 475 is a tried and true buddy:
But I built a Bisley Vaquero in 45 colt to be my PPP and it absolutely is one of my babies:
I have a few other that I carry, there is always something on me everyday but these are what I carry in the backcountry fishing, hunting, or just hiking for a day...