Plot: A new Japanese contender to be the dream car of young executives has appeared — the Lexus IS200. James May tests out the £21,000, two-litre sports salon from Toyota which has more gadgets than its rival, the BMW 3-series, but will it be more fun? Tiff Needell takes to the track in two four-door supercars that would be equally at home shopping or racing: the Mitsubishi Lancer EVO 5 and the Subaru lmpreza 22B