In terms of what you have managed to get / need to get. Where are you now?
Here's what I should have so far. I haven't received much of this in the mail yet:
1 - Control Panel
2 - Tapper PCB
3 - Working Power Supply
4 - Power Supply and PCB brackets
5 - Tron harness
6 - Audio Amp (I already had this)
Need:
1 - Artwork (waiting until I have the extra $$)
2 - A working PCB. Gonna try to use the Tapper. But, we'll see...
3 - Misc. stuff like buttons, etc.
4 - Casette interface board/amp and cassette player -- OR, I will do the Arduino.