##Boxster--right##Porsche sales are up a further 10% as supply of Boxster becomes easier after two years of long waiting lists. A new-model year version has been launched with a bigger engine and an S, with more power, which should keep demand high but margins are being hit by parallel imports. There is a thriving business in used cars as early Boxters come back into the market and steady demand for the 911 and its derivatives. The network remains steady - the only opening will be the new HR Owen site near Hatfield.