I just bought this game, along with Professor Layton and the Curious Village, and when I opened it up I was pissed! The paper case for the 4th disc was all damaged and I saw a few minor marks on it. I walked right back to Game Stop and got another copy, which ended up being the last one.
Thankfully this one looks better. I am thinking about changing this game out with one of those 4 disc holder cases I got from some random DVD. This game better make up for my anger, if not I am going to shun any RPG over 3 discs on the 360.