I've had a 4" and a snub 66. Regret letting them go. The S&W revolver I REALLY miss is a 2" model 64 in .38spl with factory magnas and original box with papers. Got laid off and rent was due...If you really like your 686, then you will love the 66. I have had both a few times, and while I liked both alot, I thought that the 686 was just a little too bulky for a snubbie. In a target or hunting pistol I would enjoy the extra weight. Unless shooting full blown .357 loads I enjoyed the 66 a little more.