Summary: Iomega has always been a good product to my knowledge. The look of it was great, it was a cool looking addition to a mac mini. Unfortunately, mine didn't work. Thankfully, the return process with Amazon was painless. I'm glad other people didn't have the same experience as me but, I went with an external enclosure utilizing an extra hard drive.
Summary: I have had this hard drive for over two years now and it hasn't failed me once. I've traveled with it, banged it up a bit, and it's still running. About to run out of space, but definitely a keeper. Love this hard drive.
Summary: Just as others stated here, I had the drive connected to my iMac and was very happy with it. Then just at the 1 year mark, it started to fail. I was able to reformat it and had it work for about 1 week. Piece of junk! The 1 year warranty was up right when it failed too. IF you decide to buy this, then be sure to register it right away so you can get the 3 year warranty.... you are going to need it!
Summary: I would not recomend this brand of drive. It worked fine for about 10 months, then began having problems being mounted. It started making chattering sounds and a little after a year, it failed completly. I thought the warrenttee was for 3 years, as stated on the box, but the gotcha is, that you had to have registered it within a certain period after the purchase. DO NOT BUY.
Summary: I am using OS X and in the time since i purchased this drive I have had zero issues (purchased March of 2010). I used it for automatic backups, which OS X handles automatically through Time Machine. It is very handy to have both Firewire and USB ports int he back of the machine. this has allowed me to daisy chain older harddrives which I have gathered in the past few years with ease. I only wish I had ordered two.
Summary: Great backup drive....I had to initially reformat this drive as I use a PC and not a Mac but not a big deal....what I really like is the ability to switch from Firewire and USB 1 or 2 as I use this drive on several different computers. I will buy another exactly like this drive.