Amazon allows kindle eBooks to be read in OS X ... given that Apple obviously wants to take hold of the eBook market, why would they intentionally prevent iBooks from being read in OS X? Beyond that, why are iBooks limited to the iBooks store for purchasing? Wouldn't it make more sense to put it into iTunes? The only possiblity would be to drive their iDevices sales, but quite frankly I don't think iBooks is a reason alone to drive an over-priced E-reader.