> Ultra 160 or 320  > SCSI arrays gives WAY WAY more track counts, > I have an u160 and indeed it is fast. However, it seems like once every month or two the hard disk was crash and I would lose everything. I finally took it out. I noticed that you can get (the formerly $450) Adaptec 29160 boards for $50 on Ebay. I wonder if everyone is dumping them for SATA? And regarding analogies to video, and photoshop ... you may be forgetting that it depends on how the software handles the disks, not just the raw data transfer.