if the original poster uses a scratch disk (which is the norm for audio/video/imaging work), "fragmentation" is not a problem (simply initialize the scratch disk when you experience a "significant performance" decrease). there's a market for all kinds of useless stuff, i guess. treat the disease, not the symptom. get a big enough hard drive and scratch disk and be done with it. don Steve Martin <steve at planomartins.com> wrote: >I guess you didn't read what the original poster said... > >" At first, it would take about 30 minutes to import a 90-120 minute >movie into iMovie, now it takes a couple of hours. I am thinking it >is a fragmentation issue." > >For that type of application, he may very well be right and if it >cuts a couple of hours to 30 minutes, that would be a significant >performance gain.