of course the expense of available zaurii has risen, as has the complexity of their use. From a full service dealer a zaurus is comparatively an expensive device. Even from price japan any new Z is more than what a 5500 once cost, and the new one requires some possibly newbie proof configuring to get out of a japanese rom. Also, I kinda suspect that pda use as a whole has declined as phones get better. Outside japan, the zaurus is a niche device, and will likely settle to some stable tricke of market share, or disappear all together depending on whether sharp continues to update the line, which it seems thet intend to do,.