Mostly just
repeating what I saw here about 50 pin SCSI hard drives
  of less than 10 GB.  When I finally managed to purchase a few such
  drives about 10 years ago, they were not that easy to find at a
 low price. 
 This is true. While they may be around, they are much harder to
 actually
 get. 
 
 The machines that used these are basically gone.  The machines and
 drives that are still around are likely to be in the hands of
 collectors like us, or else in the stockpiles of resellers.  I know I
 have a nice small collection for my PDP-11's.
 Zane 
 
 Amazing.. I have a pile of sub 1gb drives like RZ's in the 50-600mb
 range.  Must be a
 local thing.
 Allison