The AUSOM fairs at Swinburne or Whitehorse TAFE in the eastern suburbs? Yeah I remember them well. I made out like a bandit at one of those, coming home with a stack of free 3-slot and no-slot Mac II-series that were going to be dumpstered at the end, as well as a SCSI-Ethernet device and a LabVIEW SCSI I/O thingumajigger.

Now I have this picture of a 5400 strapped on to the pillion passenger seat of your bike