Microsoft offering to replace consoles impacted by recent firmware update.
Don't update your 360 just yet.
The problem causes users to receive a "disc unreadable" or "disc unsupported" error after inserting a disc into the console. According to Microsoft, it is caused by "a change in the disc reading algorithms in a recent software update and is not specific to older or newer versions of Xbox 360." Those suffering from the error should contact Microsoft through www.xbox.com/support/contact so the company can verify if the console has been impacted via Xbox Live. If the problem is confirmed, owners of ailing 360s will receive complimentary new units
RROD part 2?