Hi Rusky,
I also have used Frank's Cleaner made by PRO Wax. I think it is a good product. It takes off red dirt, dirt, and brake dust. Received a sample of EF Hi Intensity Cleaner from a generous fellow Autopia member but yet to try it. I always wanted to try it but surprisingly the weather in Hawaii has not been cooperating so couldn't try it out. Maybe sometime during the coming week or next weekend.
Aloha,
~Ranney