If you compare that with more modern stories about that period, her settings might seem sparse, but her books hold up well because while manners, clothes, and home furnishings have changed radically, human nature is more of a constant. Some people complain that's Austen's stories are overly domestic. She rarely mentions Napoleon or war or treaties or any of the great events of her time. I consider that a strength. She wrote the lives of women of a certain time and class— her time and her class— and immortalized them forever. Marriage was the sum total of a woman's ambition at that time, and her books are about how women realized their ambitions.
While Pride and Predjdiuce remains my favorite Austen novel, with Sense and Sensabilty a close second, Persuasion is creeping up there. Austen was older when she wrote it, and Anne Elliot is 27 compared to Lizzie Bennet's 20. Persuasion is about regrets and second chances, and we've all had the former and hoped for the latter.
Besides, for once it's the heroine's father who is the nincompoop, instead of her mother. If you have never read Austen, or if you're interested in re-reading her, ebooks of all her work are available free in the Kindle store and through Project Gutenberg. She won't miss the revenue.