I am hoping we can get a link to the webcast the Apple did not too long ago soon but in the mean time here are a few of the resources I've found informative/helpful:
Apple's Page
http://www.apple.com/education/itunes-u/
Apple's Support Community for iTunes U
https://discussions.apple.com/community/app_store/itunes_u_for_ios
Apple's iTunes U Support general page
http://www.apple.com/support/itunes-u/
engadget's Hands On video (audio is a little rough)
http://www.engadget.com/2012/01/19/apple-itunes-u-hands-on-video/
Chronicle article on Duke putting up a new iTunes U optimized course
http://dukechronicle.com/article/duke-introduces-course-new-itunes-u-app
What are your favorite resources for iTunes U?
