Sirmaru: I definitely see the blue border on left and top sides on mine with my naked eyes. Not sure why only on those sides.
I think the problem isn't so much that people are used to backlit display. They have uniformity problems too. It's just that on LCD, you see a variety of content with different lightness darkness and colors. With this, you just have a white screen and any unevenness or color change stick out like a sore thumb. Of course LCD has been worked on a loonnng time, too.
But really, the #1 problem was amazon overhyped it and set really high expectations. And the early reviewers raved about it and made us think it is really that good. I preordered it; I always took a wait and see approach with previous kindles.