Free. On the web. Your (well, Californian) tax dollars actually at work. I'm going to try to follow along, as I already follow DeLong's blog (http://delong.typepad.com).
http://webcast.berkeley.edu/course_details_new.php?seriesid=2011-B-46448|2011-B-46508&semesterid=2011-B
http://webcast.berkeley.edu/course_details_new.php?seriesid=2011-B-46448|2011-B-46508&semesterid=2011-B