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Originally Posted by Asterra
2a) E-ink. The latest and greatest E-ink seems to be this "E-Ink Vitaplex", with most new and competitive devices boasting said E-ink, but apparently not the iLiad revision 2. The notable advantages of the new E-ink include things like refresh time (which the iLiad apparently still wins by making up the difference in device response time), brightness, and grayscale bit depth. First, how is it that the iLiad is achieving 4-bit grayscale when even the Vitaplex E-ink is supposed to be capable of only 3-bit?
2b) On the issue of brightness, which is perhaps my single greatest concern when it comes to these devices, are the listed figures accurate? 32% for the old, 40% for the new. I'd rather have the brightest (most paper-like) screen possible. Otherwise I may as well be staring at an oldschool graphic calculator.
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There is a discussion of the iLiad screen on iRex's
i-to-i blog. I now have a Kindle, and I would say there is little difference in quality between Vizplex and iLiad. The Kindle does images well, even with only 4 grey scales, but the iLiad's 16 grey scales win here. Vizplex is faster at screen updates than the iLiad, but the iLiad can do partial screen updates (which might be possible with Vizplex, but are not used on the Kindle so far as I can tell). I compared the MobiPocket Reader on both devices, and the Kindle's page turn is 1.5x to 2x faster than the iLiad's. When using ported X11 applications (like FBReader), screen updates can be very slow on the iLiad. These can be made faster by customizing the application for the iLiad.