I have been using an e-book reader since December 2006 when my parents gave me the palmtop or PDA 'HP iPAQ hx2790' to New Year. I installed readers and dictionaries and read a lot of books in Russian, German and English. I could look up any unknown word by clicking it with stylus. It was very convenient.
Now I have the e-book reader 'PocketBook 622 Touch' and there are ABBYY Lingvo dictionaries in it and I can look up any word by touching it on the screen. I take it anywhere I go and I read books instead of wasting time.
My old palmtop is still in use too.