It's being worked on as fast as it can be but it is a lot of work to fix.
Please be patient with them until they can get everything back up and running. More then likely it wont be back open today, but keep checking the site/forums for more news.
Currently precautions are being taken so jealous kids that weren't asked to help out on the server or were upset for some stupid reason can't screw everything up for the people that were happy again..