I found this blog yesterday while checking on the status of DirectNic, our DNS registrar. They are located in New Orleans and are keeping things going dispite the situation.
It a very "real" look at what is happening down there. Check it out here...
http://www.livejournal.com/users/interdictor/
Also, it looks like Wired Magazine has even noticed...
http://www.wired.com/news/hurricane/0,2904,68725,00.html?tw=rss.TOP