Although I've done quite a few restorations using a spray on finish for shotguns and rifles, I've always "prefered" to do a high polish and blueing for revolvers when that was the original finish. Certainly refinishing the revolver might be slightly more complex, but, there's always a first time for everything. I believe if you have the basic mechanical skills you'll have no problem with your Smith. I'm partial to DuraCoat for spray on finishes since I've had great luck with it on many of my projects.
If you plan to do a polish and reblue, I suggest you use glass beads rather than aluminum oxide.. it is less abrasive and leaves a more polished finish to work off of. If you plan to "paint" it, then oxide is the best since you need a rougher surface for the paint to adhere to.
In additon to several books, there are also many videos and instruction guides to help in your tear donw and rebuild of the revolver. I'd also suggest taking pictures as you tear it down so you can always go back to see where that screw went ( lol )..