Ralph Gilles, vice president of Jeep, truck, and component design, stated in the Car and Driver article that : "The hot designer thinks, in many ways, that the Challenger was a better design than the ’Cuda." Does he talk to MOPAR enthusiasts? I will bet that if it was up to us, a 'Cuda model would be preferred over the Challenger.
Also, awsure asked the question of why are we seeing mules on public highways. This is not unusual. There is only so much the engineers can learn from the test track. It is important to log "real life" miles on these cars. Also, it is part of marketing- to build excitment, through "sightings," for the debut of the 2008 model.