try this link to find out more about the stuff Im talking about, they also have more tips/tricks. BTW these guys are great to work with>
http://www.swmetal.com/?src=overture they also have a beginners kit w/ 2 wheels and 4 bars for $21.95 !!!!!!
some food for thought; you can polish ANY metal, and different metals will have different sheens. You can also polish copper pipes, used in the home, this would give you a "gold" shine.
the possibilities are endless.... but I hope you guys read this and throw away the spray paint!!!!!!!!!!!!!!!