+1 to this! My own (selfish) use case: I use numerical prefixes to index topics, projects, etc. as notes in my "to-do/projects/GTD" notebook. It makes sense to sort that one by title, with the snippet view. My scrapbook of visual design resources, on the other hand, works much better sorted by date updated, in a card view. It's far from a dealbreaker. But being able to either set a default, or just have a persistent memory for the last settings used on a per notebook basis would be a welcome refinement, IMHO.
A big +1 to archiving! I'd love to have notebooks used for previous jobs not appear in the web clipper or mobile app interfaces, for example — I'm almost certainly never again going to be adding something new to those collections, and space is at a premium in those interfaces. Furthermore, the web clipper's autosuggest feature is great when it's working-as-magically-intended, but it does have a way of frequently wanting to stick things in "past job" notebooks I haven't touched in months. But, as others have said, I do want to be able to have those notebooks, their notes, and metadata still