As a Duke alum, and from having discussed this at some length with attorneys who are also Duke alums, the general consensus is that there are a lot of things about this case that don't add up. The fact that none of the players' attorneys challenged the terms of the warrant directing them to give a DNA sample suggests that the players may well be telling the truth when they claim that the DNA tests will exonerate them. I would caution all of you from jumping to conclusions based on the publicity that this case has generated.
And speaking of the publicity, someone wondered why this case has generated so much. Well, that's pretty easy to answer: the DA, Nifong, was recently appointed to his post and faces a difficult primary challenge in the upcoming election, against the woman who prosecuted the Mike Peterson case and who most people feel should have gotten the job when the previous DA stepped down. And if you've ever lived in the Triangle, you won't be surprised to hear that Nifong is a double graduate of UNC-Chapel Hill (undergrad and law), which certainly helps explain why he is so quick to do what he can to give Duke a black eye out of this entire incident.
Now, the players may be guilty as sin, but I would say that there's also a decent chance that those of you who have tried and convicted them and the university based on the sensationalistic accounts you've read in the press may be totally off base.