Pro R, Ebc Tarrox, Brembo ect.
I have run both Tarrox and EBC discs on my cars not much to choose between them, currently running EbC turbo Groved Discs and EBC red Stuff Pads.
Pad wise, EBC, Padig, Miltec all get good feed back.
Got the last set form http://www.Larkespeed.com
and before that from http://www.ebcbrakesdirect.com