The SP101 is an awesome pistol. Built like a tank. I carried one for a couple years and then switched. Hammerless 2 or 2 1/2" barrelled version.
As previously stated it is accurate. Surprisingly so. The recoil is not that bad. If you are coming from shooting 9mm autos, then it may take you some getting used to.
Likes: good gun, smooth stock trigger, built very well, accurate.
dislikes: added weight, stock grip sucks IMO
I was torn between the sp101 and a smith 642. Best friend desided to part with an sp101 at a good price so I could not pass it up. I do still want to buy the smith. I think the lighter weight of the gun and ammo would be the biggest plus. You cannot pocket carry the sp101 (at least i couldnt). I 95% carry IWB and got tired of the cylinder against my side, wanted a slimmer carry piece, so I went back to an Auto. The grip of the sp101 disappears against your size, but you do get quite a buldge from it because of the cylinder.
I seem to change carry weapons every couple of years. Buy both, and decide for yourself.