I have just bought the above 60gb - with USB2. It is excellent. What is particularly good is then bundled software. I needed mine for backup (my hard drive recently crashed). It comes with Norton Ghost - which creates an image of the hard drive (compressed) and includes the ability copy the drivers for the HDD - so you could boot from it. Also included is Iomegas own backup software where you can specify individual folders to backup automatically whenever a new file is created/modified. I believe there is a firewire version - it cost approx ?100.