The Play Framework community [voted heavily][1] to add support for Play Framework 2 in IntelliJ IDEA and [JetBrains came through][2]! Here is a short (3min) screencast that shows you how to create and run a Play 2 app in IntelliJ 12 (Ultimate Edition) with the Play Framework plugin:
<iframe width="640" height="360" src="http://www.youtube.com/embed/Tqe8lfF_P7I?rel=0" frameborder="0" allowfullscreen></iframe>  
  
If you'd like to learn more, check out the [detailed tutorial from JetBrains][3].

 [1]: http://youtrack.jetbrains.com/issue/SCL-4600
 [2]: http://plugins.intellij.net/plugin/index?pr=&pluginId=7080
 [3]: http://confluence.jetbrains.com/display/IntelliJIDEA/Play+Framework+2.0