I have 2 which I equally like and are still IMO the best porn movies ever. Asswoman in Wonderland with Tiffay Mynx and Gangbang Girl 30 with Kasey, Alexandria Quinn, and some other whore I can't remember.
The one that blew me away the most was "Bad Girls" way back when. I had just hit puberty and started watching porn and here's this movie with these 4 unreal hot brunette girls locked in a castle. I was moved.