Well, after successfully range testing my 686 6" 6-shooter (which I bought gently used from the LGS consignment table) I decided to get a trigger job done. I have found that a S&W with a good trigger job is well-neigh impossible to beat. As usual, Mike at West Coast Gunworks came through, and the trigger action is lighter and smooth as silk. More importantly, 100% reliable shooting 21 .357s and about 150 .38 Specials.
The limitations at 10 yards are all mine and not the gun's, but here is the best target of the lunch hour: