If any of you have any combo discs that you are actually having a problem with, Kevin Collins from Microsoft is wanting to take a look at it. He will replace it with a new one as well. It's limited to the first 50 discs. Read more about it here:
http://www.hometheaterforum.com/htf/...d.php?t=262897
http://www.hometheaterforum.com/htf/...d.php?t=262897