When it comes to fixtures for your bathtub, you have many styles and finishes from which to choose.  Some of the choices of finishes you have in bathtub fixtures include brushed nickel, stainless steel and chrome plated brass.  Each of these finishes has its individual benefits and longevity.  For instance, chrome plated brass, while shiny, may dull and get water spots unless properly maintained and cleaned.  With that in mind, your choice may be the brushed nickel finish in order to to alleviate getting water spots.  Stainless steel finishes, like stainless steel kitchen sinks, will dull and stain over time unless cleaned with a quality stainless steel cleaner.  Your individual tastes will play a major roll the finish you choose.