AUTOMOBILE editors pick out their hits and misses at the 2015 Detroit Auto Show, including the Acura NSX, Ford GT, Alfa Romeo 4C Spider, Ford Shelby GT350R Mustang, Lexus GS F, Audi Q7, Hyundai Santa Cruz concept, Volvo S60 Cross Country, Nissan Titan XD, and the Mercedes-Benz GLE Coupe.