During my time at CES I got my EV-DO cherry popped and since then I am all about EV-DO. This USB flash drive, the CCU-550 from CMOTech, can connect you to the internet anywhere that there is a cellular signal. It can surf up to 2.4Mbps which is nice especially since you can get it practically anywhere. Unfortunately it is limited to Korea only at the moment. EV-DO is the cat's pajamas and it will take over the U.S. shortly, just like bird flu.
The CCU-550, An EV-DO USB Key [OhGizmo!]