I've been researching this fro quite some time and I don't think I'm any closer to a decision. It seems that every external hard drive out there has a bunch of negative reviews about it failing after a few months of use. Here's what I'm looking for: •costs $100-$150 •at least 100GB •relatively portable, bus-powered would be a plus (using it w/ an iBook) I don't know if 4200 RPM is fast enough or if I should be looking for 5400 RPM. My iBook only has a 4200 HD so that should probably be fine. I've liked Iomega products in the past, so I'm looking at this. Is that a good drive? Any advice?