Looking to maximize shopping time on your next European trip?These new personal concierge services will escort you to all the hippest stores and fit in the odd museum, restaurant, or theater visit, too. In Paris, So French! (8 Rue de la Baume; 33-1/53-75-22-53; $316 per half-day) arranges appointments with couturiers, artists, and silversmiths. Their latest find: shipyards near the city where clients can buy salvaged mantelpieces and even balconies for their stateside homes. In Rome and Florence, Elisa Rossi of WithStyle (2 Via Monte Santo; 39-06/481-9091; from $116 per half-day) organizes retail and sightseeing tours with VIP privileges (private rooms, special openings). Rossi has done everything from finding a monogrammed cashmere blanket for a private jet to performing an emergency buying mission for a diplomat who lost his luggage.