The natural of the eink is that the only power that is needed to to open the books and turn pages. There is no refresh of the display and yes the reader will go to sleep to save the battery that is how you get the 7 or 8 thousand page turns out of the battery. The slowness is not noticed for normal reading and normally you would not even be able to turn a page of a paper book as fast as the ereader can. I have the Ezreader and it I believe has a slower controller than the pro.
Chuck
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