From Paul Latreille via Twitter - Bloggers can now add text-to-speech capabilities to their site with new tools such as Odiogo, allowing readers to actually listen to blog posts on the website, and even on iTunes (as well as iPods and iPhones) as a podcas
Realising that the OU on iTunesU presence has its downside (specifically - having to use iTunes), you can now get hold of OU "enhanced podcasts" from the OU Podcasts (beta) site.