As the proud owner of a new set of HRE 790 R three piece wheels I am conflicted. Should I have the lips polished and clear coated and the inner barrels clear coated . Or should I simply polish the lips and coat the wheels with a metal coating? I have read about C5 wheel Armor and Opti Coat as well as Liquid Glass. What are your thought on clear coating or one of the other metal coating products?