Searching through it isn't the best, but at least the ergonomics of flipping through pages is way more comfortable than waiting to scroll through an ebook.
Searching a notebook is not an issue, as it may be accelerated using physical hashtags... "bookmarks", if you will.
Hmmm... I fear the bookmark-based search index is far from scalable and limited to ~10 terms. Compare this to the prospect of having every word indexed, and you'll have to agree that the digital version if far superior if reasonably fast searching is one of your requirements.