Mike Hanley got an early look at the all-new Mazda CX-9 crossover recently in Detroit. His review lays out an impressive case for the fun-to-drive seven-seater. The CX-9 joins a quickly improving Mazda lineup that already includes the obviously smaller crossover, the CX-7. The CX-9 has a lot of competition in the rapidly expanding crossover segment, like the Saturn Outlook, so this review comes just in time for shoppers testing out these models just now arriving on dealer lots.