If you’re looking for a BIG capacity USB key, have a look at this Transcend, It’s called the JUMBO KEY in Japan and it has a whopping 8Gb of storage space. The transfer speed while reading is 21Mb/s and whilst writing you get 11Mb/s. The price of this key is unknown at this moment, but it’s also available in smaller sizes (64Mb, 128Mb, 256Mb, 512Mb, 1Gb, 2Gb, 4Gb).