I also have Michelin Pilot Sport A/S tires, on my fully stock '06. The handling/cornering is much better than with the stock Pilot MXM4's. And the wet weather traction is amazing. I put the MXM4's on my '02 before selling it, since it needed tires anyway.Ride quality is about the same as with the stock tires, but the handeling is better. But remember that I had already lowered the car by 1.25" before the wheel tire swap. The Eibachs did firm up the ride quite a bit.