Nokia N810
The Nokia N810 Internet Tablet
Originally announced October 17th, 2007, the N810 IT is the newest tablet available for sale from Nokia. As for hardware specs, it is the same as its predecessor, the Nokia N800. The differences are that it has 2GB of storage memory, a daylight readable screen, a non-rotating camera on the face of the device, and a back-lit sliding keyboard. It also has an ambient light sensor to automatically adjust backlight levels based on the amount of light, as well as integrated GPS (A-GPS is used in Diablo) and a single miniSDHC card slot.
See also http://europe.nokia.com/n810 and http://en.wikipedia.org/wiki/N810