Arrrgh! So, so aggrevating.
1/12 -- Xbox 360 is running smoothly
1/13 -- Xbox 360 is unable to read all disks
-- Angry
1/14 -- Xbox 360 shows the three red lights
-- Sad, confused, and hurt...
Of course, Microsoft isn't fessing up to their mistakes and I'm not really willing to pay extra money for a replacement when it's their fault. I'll wait until Microsoft comes clean before I send in for a replacement.