I read Story of O. It was hot and erotic at first, then it kind of pushed my boundaries too far and gave me horrible flashbacks and nightmares. But that's just me... most people who have read it, in several countries worldwide, have loved it, and there is a whole subculture based on it. I voted for Fairy Tale Lust
I'd recommend Dream Lover. I really enjoyed Pride & Prejudice, but mainly because of the language use. I read G is for Games and it was good, but not great. My husband read Daughters of Darkness and convinced me it was so bad that I didn't want to read it. I haven't read the other ones, so I really can't comment. But if you like paranormal stuff, Dream Lover is really good.
If you're into that sort of thing, the rough riders series by Lorelei James has been addictive for me. They're basically about super alpha male cowboys, but her writing is hot and easy to read.