No complaints with mine. One thing that will have you cleaning it a bit more often is the lack of a gas ring at the front of the cylinder.
It will get crudded up after 75 or so rounds.
Mine get carried with the first two chambers loaded with CCI/Speer shotshells.
I can avoid snakes easy enough but I worry more about my bird dog when the rattlers are out.
The grips that come with them are comfortable but a hard rubber and ugly.
I put VZ grips on my 66-8 ( and Hogue Cocobolo on my M69).
My 66-8, 69, heck even my older 686 and 63 all had the rear sight bottomed out to get zeroed at 25 yards. And some where still shooting high.
Taller front sights were needed, and I went with the Dawson front sight.
I'm glad I did, it's so much easier to see a well defined top of the front sight.
I stubbornly stuck with the ramp with red insert for years, but I like the Dawson much better.
As a bonus, there is a Tritium ring around the white dot.
And by going with the next taller height than my factory red ramp, all my sights now have a couple clicks of elevation left instead of being bottomed out.
Dawson Precision S&W Pinned Tritium Front Sights - Dawson Precision, Inc.