One thing I always wanted to do is an Apple II-like keyboard that could be connected to anything emulating a II or II+ (or a Teletype - same layout). Lot of the “experience” hinges on the physical object more than the perfect pixels on the screen.
Anyway, someone’s already done that here: https://www.applefritter.com/content/uncle-bernies-replica-2...
On the physicality, what do you think about the keyboard part? Do you think a USB Apple II keyboard would be a good idea?