Ask Carroll Shelby which of his Mustangs is his favorite, and the answer is always the same: the next one. The 2010 Ford Shelby GT500 (www.shelbyautomobiles.com) is the most recent “next” pony from Shelby, and—with 540 hp and 510 ft lbs of torque—it does not disappoint. Just like last year’s KR-?edition Mustang, this GT500, priced at $48,175, was developed in conjunction with Ford’s SVT (Special Vehicle Team). Compared with its predecessor, the GT500 has additional power, a retuned suspension, an all-new AdvanceTrac stability-control system, and specially designed Goodyear Eagle F1 Supercar tires—all of which help it to reach 60 mph in 4.3 seconds. The redesigned, boy-racer exterior may take some getting used to, but the car’s interior represents a vast improvement over the previous-generation GT500. The seats and steering wheel are leather-wrapped, the clutch is easy to use, and the cue-ball shifter provides short throws for simple gear changes.