I think the built-in keyboard idea had run its course, so any possible Apple IV would probably end up looking a lot like an Apple IIgs. The little keyboard extension on the IIgs case is kind of reminiscent of the Apple ///.
It would have been good to end the line with what was planned for the Mark Twain, internal floppy and hard disks would have made the whole system a lot better. And of course if we could have got a 14 MHz 65C816 as well then it would have been a really interesting system.
It can still look like a /// with a detached keyboard that’s a continuation of the main case. Commodore did that with their office machines (the rounded ones).
I think the beige is important as part of the apology ;-)
Frankly, I’d accept a beige Mac Mini with a rainbow Apple logo on top and call it a day.
Given how there's plenty of market for retro nostalgia kit, I'm surprised nobody is making a modern desktop PC that pushes the same aesthetic buttons.
Beige paint is no more expensive than white or black. A desktop form factor would be good for today's super-heavy video cards. Since we no longer design around internal optical drives, etc, you could probably whip up something micro-ATX that looked a lot like an IIgs or the IIsi mockup, maybe with some USB ports in the front "lip" for convenience sake.
