I have 3 external hard drives. I do a lot of computer repair and computer help myself. Thing is, eventhough these external harddrives are an option for backup, they still are hard drives, meaning that they can stop working too! due to overheating or just simply fail. Depending on HOW much data you need to backup every month I suggest either use the 16GB usb memory sticks (these will be very durable!!) or look for online storage ..
Hope this info helps....
Ohh and the external HD brands are: Toshiba, Maxtor and Iomega
I have a WD Passbook and I don't like it at all. I am constantly getting error messages with it and because I did not start using it until months after I bought it the Free Trial of 90 days to Sync programs has expired and so has the warranty. You can partition it into 2 files IF you go online and find their page and follow their directions and blah blah blah Too much of a hassle. I should have just got a stick.