Since others have expressed opinions, I'll express mine.
Both S&W and Colt produce first-rate revolvers. They have some real (but fairly small) differences. Opinions differ on most of these differences, as to which is better.
First off, the Colt cylinder revolves the right way, the S&W the wrong way, with the result that the Colt locks up well (actually better) without even having any lockup on the front of the ejector rod. OTOH, the S&W DOES lock up the front of the ejector rod, which is good enough, and it appears that it is easier to maintain an S&W than a Colt, mainly because of the failure of the Colt experts to maintain body temperature.
During the time that revolvers were used for CF in National Matches (thirties to early fifties??), I believe that Colts dominated, NOT S&Ws. If so, this was probably due to better lockup, better barrels and at least equal SA triggers.
Some folks think that cylinder release on a Colt is less ergonomic than that of an S&W. They are wrong. If they had been instructed by Mas Ayoob, they would have learned that the Colt thumbpiece is best activated by the INSIDE of the the right thumb knuckle. I am not absolutely sure that it is faster than the S&W, but it is certainly not slower.
IMO, the major (or sole) remaining difference is DA trigger. For most of us, especially paperpunchers, the S&W DA trigger pull far outclasses the Colt. But if you ever had occasion, or might have occasion, to draw a revolver and aim it at a BG before you absolutely knew that you wanted him dead, you might find the Colt DA pull a [understatement] little [/understatement] safer than the S&W DA pull. The S&W pull is not only smoother, but it will also go off as a surprise. This definitely contributes to small groups on paper. It also contributes to surprise one-shot groups on human targets. The Colt DA trigger does not ordinarily contain a surprise element. You want that sucker to go off, you have to keep on working at it.
There are REAL differences between the two types of revolvers. Fairly small, but important.
Your choice.