> 	I seem to remember someone once saying that some older Apple
> PowerBook laptops used the 2.5" SCSI hard drives...

Yes.  Sparcbooks (and Alphabooks?) used them too.  I think the largest
capacity was the 1.2GB IBM drive.  You can also get a SCSI to IDE converter
(made by ADTX) so that you can use 2.5" IDE drives.  However, I believe that
the earlier ones are not that fast and also have a 6.4GB size limit.  

J

-- 
                    My other computer also runs NetBSD
                          http://www.netbsd.org/