I think for the applications you've mentioned, word processing, email, and internet browsing, it it would be worth a look, simply due to its low power consumption.
The specs says it has a sealed rubber-membrane keyboard-switch assembly, no HD, but does have 1GIG of flash memory and 3 USB ports if one wanted to store more stuff. Since it runs on linux, you can forget about the various Windows nonsense to boot!
They expect a 5yrs lifespan in the hands of children, I wonder what that translates into sailor years?