Korean New World Net offers a stylish 5GB USB Pocket Drive.
The NEW-H100 is based on a 1 inch 5GB hard-drive. It is of course USB 2.0 enabled. The Pocket drive weighs 45g.
More details on AVing (Korean) and on the New World Net site (Korean).
Not as stylish but available outside of Korea is the Seagate 5GB USB 2.0 Pocket HDD.
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