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Is there no longer an issue with glare as with the previous touch screen models since the 650 uses an infared sensor instead of adding an extra glassy layer to the screen? How about battery life? Does it last as long as the 505 before needing to be charged? I'm guessing the infrared sensors might use up more power. Any idea if the sensors constantly draw power or only if the screen is touched?
Nice review by the way.
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