I like the new 66-8 so much , I decided to go ahead and make some upgrades to make it a not pretty but more user friendly to my arthritic hands carry revolver. I changed the grips to Hogue Bantam boot grips , added a Hogue extended cylinder release which really makes it easier on my bad thumb , and since I didn't like S&Ws choice of a very short black rear sight blade , I changed to a .146" WO blade. If the new rear works with the .200" front , I'll leave the front alone. If not , I'll get a Dawson .245"H X .100"W fiber optic front. The next step will be a trip to the gunsmith for a smooth and tune of the action. I've shot more full Magnum ammo through this gun than most of my others and it's actually easier on my hands than the 686. Go figure. Love the 66 and it goes on the "keeper" side of my ledger.