EDIT: crap, I didn't even see the post below mine... sorry

Google reader hasn't updated for a few days, I get this when I try the XML button:

XML Parsing Error: syntax error
Location: http://channel9.msdn.com/rss.aspx?ForumID=15&Mode=0&sortby=0&sortorder=1
Line Number 1, Column 1:Error - Unable to generate RSS: Invalid Forum ID.System.NullReferenceException: Object reference not set to an instance of an object.
^

http://channel9.msdn.com/rss.aspx?ForumID=15&Mode=0&sortby=0&sortorder=1