(Leaving aside the question of should you have them at all.)
I have always preferred to just use function overloading to give you the same name for both getter and s
I enforce the convention in which a method should always be a verb and a class should always be a noun (except for functors, for obvious reasons). In which case, a get/set prefix must be used for consistency. That said, I also agree entirely with Ed Swangren. This sums to me as using those prefixes a no-brainer.