Some of the features I would be looking out for
- long battery life
- windows os
- 3G capable
The closest to mind are the following
- UMID M1
- Raon Everun
The other is the Asus T91, which has not been official launched yet.
Meanwhile, the Gateway lt1001g (8.9 inch screen, XP, 160GB HDD, 3-cell battery) is retailing at a low price of $499.