Regarding what I was saying yesterday about my new 1 Gb USB Flash Drive, and how the next stage later on, would be a bigger USB Flash Drive I did some checking.
Currently, by the maker of my previous, 256Mb USB Flash Drive, there's the 4Gb Cruzer Mini, priced at US $319.99. Then there's the 8Gb JetFlash, priced at US $650. I found another 8Gb, priced at US $799.99, so consider that previous price tag a good thing.
In the land of the extreme, whilst not USB, and for Military/Aerospace use etc. (folk that can afford it) is the M-Systems 176Gb Flash Drive!