My A500 "project" pics, details, build log?

[Jope]

Then found that these guys copied me :p lol

Nah, you copied me. ;-)

I sold these in the school yard back in the day (1992 or so).. Made 20 finnish marks profit per unit! :-)

[Jope]

but everytime I reinserted the cable, the black contacts simply "wore off" and left me with a clear cable.... ah...

I sure hope you opened the ribbon connector's latch before you inserted the cable.