to remove swirls...the best product is..."plum crazy" by malco... works like a champ and can be applied by hand.
product purchase link:
http://www.tcpglobal.com/DetailSuppl...mNo=MAL+114708
Malco Plum Crazy is a premium, silicone-free hand glaze formulated to produce dazzling, high-gloss shines on automotive finishes - especially clear coat - following polishing. This versatile formula can be used by hand or machine; it removes minor scratches and swirl marks.
the real key to a swirl free dark car is...to wash and dry the car in the shade. never in the sun...the uv rays cause the swirls.