I've known about the PE for a loooong time. Sad to say, though, that I think there are only a few of the streetcars and interurban cars still in existence. The POLA has a small section of restored line that two replicas and one restored car run on. http://www.railwaypreservation.com/page8.html
Joe (Leadslead) has a copy of the PS4 game "L.A. Noire," and it's pretty good visually, but I have no idea how accurate the cityscape is. It does, however, feature the old tunnels, and the Red Cars. Though, one went whizzing by in the background at about 65 MPH, when the PE had an enforced city street speed limit of 30....