Painted my calipers today. Used Duplicolor- High-Heat. Sprayed it on and it turned out better than I had expected. Take a look. 
http://www.mazdamp3.com/members/KYREDP5/calipers/caliper1.jpg
http://www.mazdamp3.com/members/KYREDP5/calipers/caliper2.jpg
http://www.mazdamp3.com/members/KYREDP5/calipers/caliper3.jpg
http://www.mazdamp3.com/members/KYREDP5/calipers/caliper4.jpg
http://www.mazdamp3.com/members/KYREDP5/calipers/caliper5.jpg
http://www.mazdamp3.com/members/KYREDP5/calipers/caliper6.jpg

http://www.mazdamp3.com/members/KYREDP5/calipers/caliper1.jpg
http://www.mazdamp3.com/members/KYREDP5/calipers/caliper2.jpg
http://www.mazdamp3.com/members/KYREDP5/calipers/caliper3.jpg
http://www.mazdamp3.com/members/KYREDP5/calipers/caliper4.jpg
http://www.mazdamp3.com/members/KYREDP5/calipers/caliper5.jpg
http://www.mazdamp3.com/members/KYREDP5/calipers/caliper6.jpg