I have to recommend AGAINST the passport. I have had 2 of the 1TB ones - and both have failed within 1 yr. Both have had bad sectors in the first 256 blocks - making the drive entirely unreadable by your PC.
I am currently looking for a different mobile solution as well - since I will not purchase another passport.
Am thinking hard about this one:
http://www.geeks.com/details.asp?Inv...B10-6CBK9-PB-R