I have a bad track record with stuck/dead pixels on my new LCD electronic devices. My PSP was returned three times on launch day, and my first DS Lite wasn't any better. For anyone who finds themselves staring at a bright blue pixel in the middle of their screen, you know how distracting this can be. Cut to the 3D effects offered by the 3DS. If you have some sort of hologram, whether it be some fancy cover of a DVD movie, or even a bookmark you bought at a giftshop while on vacation, try this. Place a coin, or sticker on the hologram, and notice how the 3D effect becomes absent in this given space. Then I think about how crappy a scratch on the 3DS screen could be. Wherever there's a scratch, or scuff, there won't be any 3D effects at all. It's like a slice through the eye candy. A dead or stuck pixel on a regular LCD screen is annoying enough, but realize that this pixel will never adhere to 3D, if it doesn't adhere at all. And then I think about screen protectors, which I apply to all my electronic devices with screens. I imagine that as long as the protector is clear, it shouldn't bear any negative effects on the display. The point of this post, is that you better keep your 3DS top screen in perfect condition, otherwise the 3D effects might be really fudged.