This issue has been killing my work flow for quite awhile. I have a G5 dual 2.0. I can barely read or write files to an external hard drive. Say I try and copy 1.56GB of audio (12 files) from my external drive it will start to copy then stop at 500mb for minutes.. then start moving as normal and stop again around 900 for minutes.. then again at 1.4. So annoying! This also happens when writing. Here is the confusing part. This happens with two external drives (different models) with firewire 400, 800 and USB. I have reinstall OSx. I have repaired permissions and ran repair disc on everything. These hard drives work FLAWLESS with my Macbook Pro as well. Gr what can this be? It takes FOREVER to copy data to or from a drive which is often how I transfer audio between my desktop and laptop. I should soon have mac pro money and this crappy G5 can go out the window. It is seriously the worst computer I have ever owned! Anyway, any suggestions? I am on 10.4..