I love my kindle (aka My Precious!) and have about 11 pages of books in there. I got it a year ago and still am on the first battery- I end up charging it about once a week. I have in a pinch gone on line with it on a car trip to find an address and look up a menu but usually don't have the Whispernet on unless downloading a new book (and it really takes about 1 minute). I love the option to get a sample of a book to try first because sometimes you read a bit and just "know" it isn't for you despite reviews.
I have the Kindle 1 version; friends have the 2 and seem to really enjoy theirs too. One just took it on a 2 week Hawaiian cruise and saved a lot of luggage space taking hers.

I also enjoy the print size adjustment availability. I take mine to every appointment I have. I also get alot of classics to have; the older the book the cheaper it is. The entire Bible was about 1 dollar I think. You can search Kindle books by price and look around to get some free and very cheap good books.