Clove mentioned on their blog that the first stock for the Galaxy Note will arrive in late November, which is probably when you can get your hands on it as well, provided you are in the UK. They also mentioned an approximate price of £500 ($773) + VAT for the Galaxy Note.
Even if you are not in the UK, you will probably get the Galaxy Note around the same time. Except if you're in the US. Looking at how long it took for the Galaxy S II to get there, we're not sure if you'll be getting it at the same time as the rest of the world.
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