Where I live, Moleskines are indeed ridiculously expensive, but every other available option has tissue-thin paper and heavy black lines which obscure whatever I'm writing/doodling.
Bar one: Whitelines, which have very light grey pages with white lines. But they're spiral wire bound, and I prefer saddle stiched.
All of the non-Moleskines have square corners which are a design antifeature.
I’m now trying out the Remarkable tablet, which has a lot of the advantages of paper, but it’s not quite there yet. It has the paper feel for writing, and isn’t half bad when it comes to “ink quality”.
But where I think all electronic notebooks fail is data locality. Meaning, when I’m searching for a note, in a physical notebook, I know it’s roughly halfway in, on the left page, etc. As I thumb through the pages, I can tell where I am in time. That experience just isn’t quite there in the electronic versions yet.