With this mod installed, you will be able to see your region's as you make them, and have an edge when protecting your creations.
![Image](http://i.imgur.com/Emdvi.png)
![Image](http://i.imgur.com/sW4qN.png)
The minecraftforum.net link is:
http://www.minecraftforum.net/topic/885099-124-worldeditcui-worldedit-client-user-interface-v124/