I've found the open source version of intellij + scala plugin most impressive. Reliable code completion and everthing i've come to expect from a java IDE. I've

I've found the open source version of intellij + scala plugin most impressive. Reliable code completion and everthing i've come to expect from a java IDE. I've had much less success with scala plugins for Eclipse and Netbeans. Without the intellij plugin for Scala I wouldn't have chosen Scala.