] ] I have always thought with Darcy married, he would be a front-runner for Anne DeBourgh

Me too. I've even wondered if that was why Mr Darcy brought him to Rossings - although in retrospect, he and Anne have probably already had sufficient opportunity to fall in love if they were going to do so, as he also is Anne's cousin.

] I've always thought Anne would not be too bad once you got her away from Lady C

I couldn't really say. She's wallpaper - in the book, she just sits in the background being inert. Even away from her domineering mother, I think that like Hero, you'd have to wait until Act III before she says more than two consecutive lines.

I think Col Fitzwilliam's admiration of Lizzie suggests he'd rather marry a Beatrice than a Hero.