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I also put in a "negative" vote for this. As a user, you should decide in which order you handle tasks. priority, due date, etc are just information to help you decide.
You may want to move tasks only due in 2 weeks on the top of your "Today" list, or purposefully keep an overdue task in "Next". This all depends on your personal assessment of your priorities.
And I agree with Kara, reviewing and sorting tasks regularly is key in the GTD process.