Don't know about these specific tires but in general new car takeoffs are usually fairly easy to sell. But I'd have the mrs test drive one and see what she thinks. I don't see any compelling reason though to buy the s over the standard one.

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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.[SIGPIC]

..I also have a 427 Cobra replica with an aluminum chassis.