Saw this morning that they have rooted the Barnes and Nobel Nook. This is one of the new eInk reader devices that you can load electronic books into.
The device is a computer with Android OS on it along with a “free” GSM Cell phone data connection, room for memory and enough battery to last a couple days.
Since Android is an open OS, you can get the development package for free, and it seems it would be easy to setup an app that fetches weather data from a website on a regular basis to display what it got.
Might even be possible to use it as a weather input device as well possibly.
Ref: http://www.wired.com/gadgetlab/2009/12/nook-torn-open-hacked-and-rooted/
I’d play with one now during my Vacation, but I can’t get my hands on one until Feb.