Has this been blogged about before? Reason I'm saying this is because its apparently been around since 2006 available in the US. The latest news is that the University of Oxford have their own section in this read more at http://www.macworld.co.uk/education/news/index.cfm?newsid=23052.
Education podcast, vodcasts for free (I've not checked it all though!) . Find out more here http://www.apple.com/education/itunesu_mobilelearning/itunesu.html
One thing about having free publicly available podcast's etc is that it gives your institution exposure and publicity and therefore could be used as a marketing tool; oh yes as well as an educational tool!
Mohammed has blogged about this too!