According to CNet, Sony will soon be shipping the Librie, an e-book device based upon "electronic paper" technology. Initially only available in Japan, the pricepoint is looking like $400 US, for better readability and power consumption than a typical PDA. It's unclear whether the thing does more than display e-books. Also, you don't get the flexiblity that e-paper producers have been touting.
Apparently the e-book concept ain't quite dead yet.