At Barrett Jacckson in Scottsdale AZ (1/17-1/22)they had all of the SRT vehicles and the Firepower and the Dodge Nitro, but no Challenger.
Unofficially they verified that the Nitro is going to be built. The official announcement will be at the Chicago Auto Show.
They indicated that the Challenger IS going to be built.

No timeframe given.
They also indicated that the Firepower is going to become a production car.
Sadly, the ME 4 12 is still a prototype
