What happens when a dream becomes reality? In the case of the Kia Track'ster concept unveiled at today's Chicago Auto Show, car enthusiasts begin to salivate. Amid the driving rhythm of heavy-metal music, smoke and blinding lights, Kia Motors America (KMA) took the wraps off a performance-oriented three-door Soul coupe concept that hints at what could possibly be the future of Kia's wildly successful Soul.