On a side note Bruce, will you post pics of your Race Red Tech pack? I've got RR on order as well and haven't seen any pics without stripes or black roof.
It's going to be a while as the GT and EcoBoost TracKeys are still in development. I posted a minor update here and I imagine the below new method of delivering the calibration is relevant to the GT350.
"We have a new way of delivering the calibration. It’s called ProCal 3. It has replaced our ProCal 2 setup. With Procal 3 you purchase a calibration from one of our Ford Performance dealers and we ship you a FP “Canelope” that plugs into the Mustang OBDII port and into a PC laptop. The owner will go online and download the calibration for their car.
It's something new and we’ve had good luck with it on our 2015-2016 Mustang GT Supercharger Calibrations."