For over a quarter century, Mazda's been working to perfect the roadster experience. The fourth-generation Mazda MX-5 comes closer to that ideal than ever before. The soft-top convertible's new design gives it a more emotional look, especially in front.Surfaces inside the doors painted with the body's outside colors make for a down-to-business look. The lower weight and center of gravity affect the driving dynamics, as well. We put the elegant little sports car through the paces of the handling test.