In a similar vein is this 2003 post in an MIT discussion forum by Scott McKay [1].
I'd also highly recommend that anyone interested in this kind of thing listen to all three of the Dynamic Languages Wizards Series panels from 2001: runtime [2], language design [3], and compilation [4]
Note that though these are videos, there isn't that much compelling in the visual portion, you could easily rip them to audio files and lose little.