I have written an article about USB pen drives or you might know them as flash drives, key drives or memory sticks. These little hard drives are transforming the world of mobile computing and is an essential tool for a working nomad.
Even if you just plan to travel or find yourself on the move a lot then check out the article as it might save you a lot of pain and money.
http://www.workingnomad.com/usb-pen-drive-memory.htm The importance of USB pen drives to the mobile worker.