If you're really serious shoot me an email and I'll hook you up with josh at Discount Tire Direct. He and I work from the clearance numbers I can send him. I'm a dealer of sorts but don't really sell wheels.
toddandchris1@cox.net
TSW
5Ziggen
SSR comps
ATS
A couple of 'brake friendly' wheel builders.
* On the other hand unless you plan on a lot of open track use the need for 1.10 rotors or more is minimal. Street/srip users get by just fine on the narrow version thus offering more wheel options.