The list of installed JRE\'s is empty, when I click \"add\" the only options I\'m given are -
Execution Environment Description,
Standard 1.1.x VM,
Standard VM.
If you want to know where the JVM/JDK resides on Mac OS X, the various versions can be found in /System/Library/Frameworks/JavaVM.framework/Versions. Just add one of these to Eclipse.