Quote Originally Posted by ggr View Post
A racing driver friend of mine recently drove the roadster in the local mountains, and pointed out that the brakes are usually cold! They stop just fine after a few uses.
That's an excellent point.

And yes your rotors do tend to get some crap built up on them over time, due to the light usage. Take your car out once in a while and do a bunch of hard stops; that will clean things up.