I currently have 14" corvette rotors and brembo calipers, but found they won't fit behind the front wheels. I also found that the rotor looks to small. This lead to research; this is what I found. 07-11 Audi S6 has 385mm (15.157") rotors up front and they are cheap! You can even get EBC rotors for a fair price.
First pic is my current setup, the others are the Audi brakes