General User experience please (International version + ICS)

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http://androidforums.com – Hello, I am considering to buy the Galaxy Note within this month. I checked the Galaxy Note in several stores. I am concerned with the lag, poor video playback sometimes, possible black crush and S-pen not functioning near the edges of the screen, etc. I have been waiting to see how the official version of the ICS performs on the Note. Could those who have updated the international version of the Note share their experience with us? Any user experience appreciated. Thanks. (General)