Bernard Perron, who, along with Bart Simon, gives some of the best talks about computer games (because he shows precise clips of the moments of games he is talking about) has a web database I just discoved called Ludiciné. Ludiciné is a bilingual reference database on the intersection of play, games and cinema.
Also on the site is a Filmography of Early Interactive Cinema which documents such games like the 1992-3 The 7th Guest which made extensive use of video overlays in this horror adventure game. The Filmography database has lots of clips from the games/interactives so you can get a sense of the interactive video. Now I too can give talks like Perron.