This ^^^^^^. My 1990 build sheet lists the "high level audio system" as a $486.00 option; and it is the highest cost option on the sheet. So in their day, they were premium. And in top working condition, they are still good.
That being said, there is still something attractive of that blocky, semi military configuration of the radio and its companion accessories like tape and CD players. And how else do you get that matching green readout and back lighting. Overall, it is still the most attractive install.
I am sure they can be reworked to offer the modern conveniences, and in the future, they will be offered in upgraded form; much like you can get