For those of you that do a lot of polishing of metal what do you use? What are the tricks to getting a good lasting shine (though ? I'm sure since there is many I'm guessing)? Products? Equipment--hand polishers, stand polishers, elbow grease? Have several things that need some TLC and just have a heck of a time getting results from the stuff you get at Wal-Mart or Auto-Zone. Thanks for any thoughts.