For anyone interested, the drive was a 20Gb seagate, which has gone marginal.. it is now in use in my new digital tv tuner with IDE connector, so you can turn it into a HDD recorder... works brilliantly so far.. $70 at strathfield car radio.... barrrgain.
http://www.dtvforum.info/index.php?showtopic=55229&st=0
is a link to the thread of people trying to find stores that still have them...
This is the one, in the top right for $69.