If you're OCD about your car's finish, you need a Porter-Cable kit. Adam's system is a great place to start, better than most and about the same price. I had light swirls too. They come out with the PC, but the thing that really makes the car shine is the Fine Machine Polish. Putting whatever wax over THAT polished shine is what really makes it pop. The results really are impressive.
But...you have to view it as a hobby in itself. Otherwise you'll never be able to justify the hours it takes and the $500 (and up) that it costs.
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