> Jim, > > I have the Vosonic Xs Drive II, with 40 Gb HD. It has the advantage it take > various types of card, CF, SM, MS, MS Pro, SD, MMC and IBM Microdrive. It > has mains charger, as well as from a car, and had doubled as a USB exernal > HD for the computer if needed. > > Have no logical reason why I seleced 40 Gb, as compared to the other options > of 20, 60 and others. I had a number of these in use with the students at the college - they continue to perform fault free :-) k