I like the Model 63 I have. It seems to be just as accurate as most of the other Smith and Wesson's I own but the fiber optic front sight prevents me from shooting as well with it as I do with the standard ramp or partridge sighted revolvers; others seem to have exactly the opposite experience. For this reason, I shoot better with my 22/32 kit gun.
The weight is not even noticable to me in a holster on a sturdy belt. I have a couple of holsters, a full flap and a snap loop pancake, for it made by Ray at LoboLeather.
Trigger pull was a little gritty on my example, but smoothed out after about 1000 rounds. I had extraction problems that have gone away after an additional 2000 rounds of shooting. I could have sent it back to S&W for a fix if I had been less patient and was not willing to see if the problems would solve themselves with a little more shooting break-in.
I replaced the grips with wood grips that Smith and Wesson uses on their Model 60 pro model; a significant improvement. I like the old J-frame target grips even better.