Check out the LifeDrive Thumb Keyboard. This is perfect for the road warrior trying to ditch the laptop.

"The LifeDrive Thumb Keyboard is the perfect productivity companion to your PDA. Its 69 key layout allows you to quickly type email, memos, or surf the web in optimum comfort. The sleek folding design means that the LifeDrive Thumb Keyboard takes up no more room in your pocket than your actual PDA. Programmable function keys, a movable IR transmitter, and the ability to type symbols and international characters are also supported making this the perfect on-the-go keyboard! Don't look around for a flat surface to work on, now you can type anywhere!"