Keep in mind that you live very close to their
shop. Shipping will be far cheaper for you considering cross-border charges. Canadian Superchargers Florida shop doesn't do recoating.
There is a hidden cost as well. Recoating requires the rotors to be removed from the intermediate plate, and causes the bearings and seals to need replacement upon reassembly.
For someone in the States, it'* very likely far more cost-effective to simply find another set of rotors with intact coating.