For all the free books that come out daily? From what I have been seeing lately there are lots. And if you read a lot of different genres then it might be worth it if you add up the "retail" prices. You could have a library that would last you ages!
I don't know, maybe I'm nutso

Just a thought.
I have an Astak Pocket Pro, and just bought a Nook (yeah, maybe I am nutso).
Susan