Hi--I have a 150 GB Lacie and a 200 GB Maxtor both are protable, but the Maxtor is larger, so I would suggest the Lacie. They have some Terabyte hard drives that are verty small. Check out the Lacie web site for more. So far, both have worked well. Maxtor has Firewire 400 and USB 2.0 and Lacie...