Smith & Wesson Prelock Revolvers. Are they really better?

This video shows a collection of Smith and Wesson Prelock revolvers and explains the history of why Smith and Wesson chose to install an internal lock on their revolvers. the firearms used as examples in this video are as follows Smith and Wesson 586 no dash 6 inch Smith and Wesson 586-4 4inch Smith and Wesson 686 no dash 6 inch Smith and Wesson 686 no dash 4 inch Smith and Wesson 66-2 4 inch Smith and Wesson 629-3 Classic Hunter 6 inch Smith and Wesson model 60 no dash. 2 inch