For those of you curious about the SCSI, IDE, USB & FW throughput speeds, 
here they are:
Release date     Standard                 Rated Throughput
Aug 1995         Fast SCSI (SCSI-3)    10 MBps       (10)
Dec 1995         FW                          400 Mbps      (8)
Apr 1996         Ultra SCSI                  20 MBps     (9)
Sep 1998         USB 1.1                     12 Mbps     (11)
Sep 1998         Ultra 160 SCSI        160 MBps     (2)
Sep 1998         Ultra2 SCSI               80 MBps     (6)
Apr 2000         USB 2.0                  480 Mbps      (7)
Jun 2000         Ultra ATA/100        100 MBps      (4)
Jul 2001          Ultra ATA/133         133 MBps    (3)
Apr 2002        Firewire 800             800 Mbps     (4)
Aug 2002        Ultra 320 SCSI          320 MBps    (1-Fastest)

They are theoretical, and don't take into account overhead, bus speeds, the 
drive itself. If you really want to know, I suggest you hop on over to:
http://www.xlr8yourmac.com/
http://www.barefeats.com/index.html
http://www.macspeedzone.com/

There is, or was a web site called sharkey's machine that speed and upgrade 
tested PC and Mac stuff, etc. Can't find it right now.

STeve

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