I agree completely. I'd like to expand on your #1. I think that physical books make it much easier to have multiple books all open on your desk as you look between all of them, and also to have bookmarks within a single book that you flip between.
As you say, I love ebooks for fiction. But the folks building these apps and devices still haven't hit on an interaction model that works well for non-fiction.
As you say, I love ebooks for fiction. But the folks building these apps and devices still haven't hit on an interaction model that works well for non-fiction.