Ferrari's range of V8-engined sports cars has been joined by the new F430 Spider when it was unveiled at the Geneva Motor Show (March 3-13 2005). Ferrari's new drop-top includes a number of important technical features which give hints of the car's F1 pedigree, starting with the innovative electronic differential (E-diff) - first developed by the racing division for the Scuderia's all-conquering F1 cars - which improves traction and roadholding under all conditions. The Spider also features the steering wheel-mounted rotary switch, known to the Scuderia's drivers as the 'manettino', which allows the car's set-up to be adjusted easily and quickly. Formula 1 is again the inspiration for the development of the company's road cars. Designed by Pininfarina, the F430 Spider's sinuous lines, in fact, were fine-tuned using state-of-the-art computer aerodynamics simulation programmes usually employed exclusively by the F1 team.