LIfespan of the Apple Cinema Display?

So... I've heard stories that the lifespan of the Apple Cinema Display is as short as 2-3 years?
Anyone have any firsthand reports of a happier, longer life for their ACD?
I just bought a 23" Cinema Display that happily has none of the problems I read about in other posts from a few years back about banding, pinkish tones, etc.
Can I hope for a longer life than 3 years from my ACD?
Thanks for any good news....

The most life limited component in an LCD is the flourescent lamp in the backlight that illuminates the whole screen. These are typically rated to have 25,000 hours of life. What that means is that, after 25,000 hours of operation, the lamp(s) will shine at half their original brightness.
Since 25,000 hours equals roughly 3-years of continuous, 24/7 operation, that may be the basis for you hearing that LCDs have a lifespan of 3 years. If you only run the display for 8 hours every day, then you would have 9 years of backlight life.

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