You can choose to start using the new More Service Portal that is launched in 9.0.
In the first version, it will not contain all the features from the old More Service Portal. Over time features from the old portal will be implemented in the new Portal, and the old one will be removed.
New case dialog
[See YouTube movie here]
New menu
Full screen display
New notification settings admin page
Customers can activate / deactivate notifications.
5 supported notifications for case now
All case types are supported, some has less options (Problem and Change)