looks like zipit is at it again ... the original zipit1 was an IM device with built-in wireless b/g .. hacked to have console access and sd card, backlighting etc .. seems the new version has some upgrades. For $150 . not too bad ... expect some good hacks when it appears:
http://www.engadget.com/2007/09/27/zipit-reveals-z2-wireless-messenger-for-i...
Dan.