Sounds like a dream. Maybe I'll go someday. Eastern bloc tech is unendingly fascinating to me. I think it's genuinely impressive what they accomplished with the US actively sabotaging their access to information and hardware. And even then, they largely copied Western interfaces. I suspect this was partly to facilitate cloned hardware, but i do also suspect they wanted their systems to be approachable by engineers from around the world, too, so diverging too much would have been detrimental.
> but i do also suspect they wanted their systems to be approachable by engineers from around the world
It was more about saving resources on software development. East German standard software was usually pirated copies of western standard software with the copyright strings patched to something else. Creating an entirely different evolutionary branch for hardware and software instead of copying doesn't make economic sense, especially when the goal is to catch up.
I think you are spot on. Due to the inability to buy parts from the world over, you had to repair any personal machines you had whether it be computers to cars, therefore access and knowledge was essential. A replica of that ethos today would be MNT Research.
You’ll also find a lot of this stuff at flea markets further east and south, maybe even more so than Berlin.
I visited Odessa in Ukraine circa 2019 and saw all kinds of interesting computing devices and cameras.