Share 'Envisioning an e-book only world...'

I personally think we're a long way from an e-book only world, but with news of the kindle, Sony reader, and writers like Joe Konrath hyping their kindle adventures, I'd like to know how people would envision this world. Clearly physical bookstores would no longer exist. Would there be a need for publishers? If all books were equally placed within e-book stores, what role would publishers pla...