This iBooks authoring tool looks like a typical Apple product to me: lovely to look at, easy to use. However, I started looking at the specs and the review in more detail. I’m not a Mac user, so I can’t comment on its performance, but the scope is rather limited. You don’t seem to be able to edit the file once you have uploaded it to the tool. You can add interactivity and polls, but how do you record the results?
Still, this tool, and the process for publishing to iTunes university look interesting. I need to investigate further.