Hi Marc,
After searching the internet for a couple of weeks you may be the only person with the knowledge and experience I seek. Quality car systems and information seem to be rare these days especially in Mustangs. I have been searching to upgrade my stereo in my 11 with the Shaker 500 navigation system. I won't bore you with the specifics of the current set-up or my goals if you don't have the time, but if you do I will start a tread. Based on what you have posted about your blue car I wanted to gauge your interest up front.
Regards,
Logan