Adrian reviews the new Audi A6 in Italy.A lookback at past car versus plane races - includes the race of Michael Schumacher in his Ferrari F1 race car versus a Euro Fighter.Vicki goes to the Geneva Auto Show and checks out some cool cars - BMW Concept M5, Honda Sports Concept (new NSX?), Rolls-Royce 100EX, Land Rover concept Range Stormer; Fiat concept Trepiuno and Maserati MC12.Tiff races a Gazelle helicopter around a track in a Porsche GT3.