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I've travelled with both the 13" and the 11" and find them both great. For an upcoming trip I've decided to take my 11" as for the amount of time I'll use it it's perfectly acceptable. I'll be away for a week and will take my iPad mini when out and about then the 11" when back in the hotel when I'll use it with the Magic Keyboard to write my journal and reply to any emails.
 
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