Beware of any aftermarket dash kit. All of the aftermarket kits for the camaro's have issues... But not everyone is experiancing the issues that a few are having. This is the case with a lot of aftermarket stuff when it comes to electronics to be truthful. I think I would go with the scosche and take that chance as it still seems to be the best option available at the moment. Even the stock MyLink systems in the 2013's are having issues and that is from the factory.
Other than that I am having the same problem, I am not able to find it anywhere for sale either. It is on back order everywhere. It was supposed to be available this month but doesnt seem like it will be anytime soon.