Slashdot linked up this review of the Sony Reader, an innovative attempt at electronic books. More like re-attempt, as earlier hopes for other technologies have simply not panned out. It finally includes a description of what the display is, how it works, and what it's like. The ultimate verdict seems to be, "close, but not quite."
Definitely not at $300+. If they're eventually able to pull the price under $50, I don't think they'll be able to make them fast enough.