"I'm sure the well-read Darcy understood Elizabeth's allusion( and as even he was affronted by the Superior Sisters rude behaviour, he proably admired Elizabeth's ready wit and intelligence: but as for the Superior Sisters themselves ...Do you think they would ever realise just how they had been picutred by Elizabeth in her imagination?LOL" -- I totally agree. Perfect. It's a moment where they are in company, yet fully understand each other, to the exclusion of the others. Agree!

"At a very early age she was enamored of Gilpin on the Picturesque; and she seldom changed her opinions either on books or men" -- isn't this the truth about JA?

It's so plain to see also, Lizzy showing interest in and knowing picturesque values, in her easy and inimitable manner. Unlike Mary, Lizzy chooses her own particular way though, and slavishly follows no real doctrine.