I just noticed a new PDA with a built in keyboard and might make an interesting Squeak platform.
Sharp Zaurus SL-5000D is a handheld PDA that runs Linux on a 200 MHz StrongARM, and has a tiny built in QWERTY keyboard, as well as a touch screen and stylus. The keyboard looks a bit like the curved Blackberry keyboard.
The screen is 1/4 VGA in size, 65,536 Color Reflective TFT touch panel, 3.5" with front lighting. (I assume front lighting because it is reflective?).
It costs USD 500 for the prerelease developer version.
Mike