Ok, so I'm probably still one of the newest Kindle owners here, but I feel my K3 is very readable. I have terrible nearsightedness combined with middle-aged guy near-vision loss and I don't have troubles reading my screen until it's so dark I can't read a print book either.
The lighted cover's LEDs aren't particularly bright but are definitely adequate for reading when the room is completely dark. I'm a tech geek from the late '70s (who would have rather done tech stuff instead of medicine) and still think e-ink technology is amazing!
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