I would go with wheel vintiques. I recently had my 15x7 steelies done there and powdercoated white as well. I got the trim rings and bullet center caps too.
www.wheelvintiques.com
you can see images of my truck at
www.tilleysspeedandcustoms.com
If you need tires as well, Diamondback Tires is AWESOME and they have great options to choose from in all sizes.
Brad