Originally Posted by GJN
Keep in mind that English isn't the native language for all e-reader users. In my experience, reading books is one of the more pleasant ways of learning a new language. I'd love to have a reader in which I could substitute German-English, French-English, or Spanish-English dictionaries to improve my knowledge of those languages.
The issue of language-language dictionaries is an entirely different issue. my apologies for being so English-centric!