Diablo 3 - Preview @ Big Download

Big Download has, in their latest All You Need to Know article, taken both a look at the world and mythos behind the game as well as having preview info about Diablo 3. Here's a snip about the story:

The story for Diablo III expands greatly upon the mythos of the previous games, which arguably kills the gothic mood. Rather than having only what is directly relevant explained to the player, the world has been expanded into a planet called Sanctuary, with many of the details about races and history being revealed.