I didn’t even realise there was audio (and video!) available, but there is. Strangely though, there are no RSS feeds. That means you have to go in and manually download each presentation you want to listen to. How quaint.
It doesn’t make it very easy to get the audio from the website to your computer to your iPod. This sounds like a job for a podcast.
The weird thing is that podcasts were promised but never delivered. I wonder if perhaps there was some confusion between the terms “podcast” and “audio file”.
Anyway, grab the feed here and get an earful of the great speakers: