I now how two sets. One square and one with 10.5 et 22 rear. Here is the square set I've been using at the track - 9.5 x 18 et 28. Have not mounted tires on the staggered setup yet. Considering R888 295/30/18 for the rear with 275/35/18 for the front.
AW on Fox Red Extended, Alum trim, ZPP, ZTP, DCT, 19" wheels, Heated front seats, HD radio, Sat radio, I-pod & usb, Premium sound, AP racing BBK, 18 Volk Racing TE 37s, Akrapovic Evolution exhaust, AST suspension