Gadgets You Backpack Around the World With?
> If you really feel the urge to be in touch, get a PDA with wireless features and carry that around. If you can check your email from a wireless access point, then your > PDA would work as well as your shiny MacBook. And you can also ensure that it's always on you all the time.
On the front, you could consider something like a Nokia N800. It could take the place of your MacBook and you can carry it around in your packet. Easy to check email, voip calls, video chat wherever you find WLAN. Also serves as a music player if you get a large SD card.