This Sharp Zaurus RD-CMP2000R continues Sharp's tradition of putting an accessible version of Linux onto handhelds, letting users run wild with the various open source Linux apps available on the net. Not only does this one run Linux, it has a swiveling screen, QWERTY keypad, a 1.3-megapixel camera, e-Book reader, FM radio, and music player. This means it's pretty much all you need to spy on HP's board and not get caught.
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It's only available in Korea for now, but if it supports an English version of their UI, there's no reason why you can't import it.
Sharp RD-CMP2000R, the Zaurus for Korea [Akihabara News via i4u]