There's a place in Brooker, I haven't looked for it yet, but you can launch a car off of the swing set. http://grandtheftauto.ign.com/articles/features/648/GTA-IV-Free-Roam-Games-and-Ideas
I turned it on when I got home and it just worked again, but I changed the setting back down to 720p, so we'll if it happens again.
that is really cool. Just like a movie. People should start making short movies with gta4 like they do with halo.
