Yes you can read books anywhere you like.
I would say the Kindle DX because it is bigger and it has more gyg-abyte.
Yes.
The Kindle DX has a larger screen than the Kindle (9,7" as opposed to only 6" for the normal Kindle) and is much better suited for reading PDF files, textbooks, newspapers etc.
The Kindle/Kindle 2 weighs 10.2 ounces (289.2 grams) - about the weight of a paperback. The Kindle DX is 18.9 ounces (535.9 grams) and weighs as much as a hardcover. (Data taken from the links below) Also the newly released Kindle 3 weighs only 8.3 ounces.
It's already available since 02/09/09! Amazon Kindle DX is available now.
I am afraid it won't be possible. It's better to use a desktop computer or a laptop. You can try to use a tablet if you have one. It will be more comfy.
you use the keyboard on the kindle keyboard for
Several different companies are offering eBook readers now. The top 5 most popular include the Kindle 3, Nook Simple Touch, Nook Tablet, Kindle Fire and the Kindle DX. Kindle is available through Amazon. While Nook is sold by Barnes and Noble.
It depends on the type Kindle case to fit a Kindle Fire.
Yes, amazon.com ships to Canada. I successfully ordered one to a friend in Canada. As far as I remember additional fees for shipping outside the USA do apply (about 5 to 10 $). Kindle that official available for Canada now are Kindle 3, 3g, Dx and New Kindle $109. Not now for Kindle Touch & Fire. But I want Kindle Touch so much - But you must pay for the extra charge about $40 USD for shipping cost.
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Euros