Cannot load some collections pages in iTunes U Public Site Manager.
I get a blank page like the one kylaj posted in http://discussions.apple.com/thread.jspa?threadID=2759827&tstart=0
http://i56.tinypic.com/21n4iso.png
The four collections from Concordia University that are unavailable:
Congress 2010 - Audio
Congress 2010 - Video
Marianopolis Speaker Series - Audio
Marianopolis Speaker Series - Video
Mac Pro Dual Quad-Core (MacPro4,1), ATI Radeon HD 4870 512 MB, 16 GB RAM, Mac OS X (10.6.6)