There has to be some wheels out there for it...big brakes are getting more and more popular, and all of the wheel companies are following suit. Have you checked ebay? I have found TONS of cool wheels there!!
We haven't take the time to look into it in detail yet. He was waiting for his tires to have to be changed first. But just based on what he reads in the TL forums. Other owners are having trouble finding a decent selection.