No before pics but here's some after shots
http://i54.tinypic.com/mj8jue.jpg
http://i56.tinypic.com/1zd6aae.jpg
These were yellow/brown spares... I'm thinking of swapping them into the main collection now.
Here's a before shot of Inferno's ladder. You should be able to see a clear line between the white and yellowing plastic
http://i51.tinypic.com/30ib03b.jpg