I use Stoptech Street Performance pads on my 335 (now called Sport), which sees some track days also, and they are great. They don't have the same initial bite as the OEM pads, but they are definitely less dusty, and more linear, so you get used to them pretty quick.
They seem to have a Street pad line now, which is more for daily driving.
They make Centric brake pads, as far as I know, and this might help:
http://www.centricparts.com/index.ph...149&Itemid=224