Ditto on the "thanks" for the standalone QT link - I had never noticed it myself, either.
I must not fear. Fear is the mind-killer. Fear is the little-death that brings total obliteration. I will face my fear. I will permit it to pass over me and through me. And when my fear is gone I will turn and face fears path, and only I will remain
Have I lied to you? I mean, in this room? Trust me, leave that thing alone. - GLaDOS
Did IQs just drop sharply while I was away? - Ripley