Late 2010 13" MBA. The internal display has just started flickering. This is completely absent at half-brightness (say, the way the screen dims when idle), but at full brightness it's VERY noticeable. Not affected by whether or not I'm plugged in. Just started today. No effect from sleeping, rebooting, power cycling, etc. I'm just guessing that this means I have to drop it off at an Apple Store and wait a week, doesn't it.