When it comes to the burgeoning eTextbook market, we can argue about the best hardware, software/services and content, but in reality all three are going to have to come together to build the perfect eTextbook device. And cost definitely will matter.
There is some pretty cool stuff here and it really goes to show how the right eBook reader could fundamentally change the way we think about books. Instead of being static pages, you could interact with the pages. This video shows some possibilities from kids book all the way up to adult ones.
Two recent news stories suggest eBook Readers could be about so much more than books. If Reader makers want to capture a larger market, it makes sense that they have to move beyond simply replicating the paper book.