Different places have different stakes in news stories. The Duke lacrosse case is one of those — a university in North Carolina, accused players from elsewhere. Print and online media in those places try to gauge their coverage accordingly.
Here's how two North Carolina papers presented the collapse of the case:
And here's how two papers in the New York area presented it:
UPDATE: The News & Observer's site offers a slide show of selected front pages on the case. The Philadelphia Daily News is especially interesting in the way it links Duke and Don Imus.