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New Cars for 2010: Europe

Judging by the new-model intros from European carmakers, you'd think the bubble economy was still going strong. At Mercedes-Benz, AMG has been developing a new supercar and a new E63; BMW's M division has laid its hands on the X5 and the X6; Porsche is rolling out the Panamera; and Alfa Romeo has priced its 8C roadster at a cool $300K. It's sort of a collective,