[shazow]

In addition to the other links in this thread, Fernando's PyCon.ca keynote's has a great introduction to the power of IPython and how it's revolutionizing the scientific (and soon the general developer) communities. https://www.youtube.com/watch?v=F4rFuIb1Ie4

[vdm]

This is the best video I found, it has a demo at 20:00 which was recorded November 2012.