true, if year round weather is a concern, no R's. To me, when he says sustained high speed driving, i think a dedicated wheel/ tire combo.

It must have taken me every bit of 15 years of racing to realize, that thats the only way to do it right. Costs a bit and takes some preparation; but man, when you perform better than you ever have, and better than similar cars wanting the perfect "streetable" setup, its all worth it. We all say we want to do xyz, while still on ABC, but really we are all lying to ourselves, we want to go faster, and we want to win above all else.. and that means swapping tires when need be