I like the looks of wood stocks, but rubber does make a revolver more controllable.
S&W 640-1, 2 1/8 inch barrel - Uncle Mike's rubber boot stocks
S&W 19-3, 4 inch barrel - Herret's target wood stocks
Ruger GP-100, 6 inch barrel - Ruger wood/rubber combination stocks
Colt Python, 6 inch barrel - Colt wood stocks
Colt Python, 8 inch barrel - Colt wood stocks
S&W 29-3, 6 inch barrel - Pachmeyer rubber stocks
Ruger Super Redhawk, 7 1/2 inch barrel - Ruger wood/rubber combination stock.