For more on my “Pride & Prejudice” binge, my sister sent me the trilogy of Pamela Aidan books, which is P & P written entirely from Darcy’s viewpoint. They are wonderful !! She actually uses verbatim conversations from P & P, but tells you what Darcy’s thinking instead.
While reading the Aidan books, I would have the original P & P open and I’d find specific parts so I could see how cleverly the stories were entertwined.
I’ve not read much other Austen fan fiction, but I thought these were very, very well done.