Most shortcuts are only three keys instead of relying on both hands, files get incrementally compiled on save, just like Netbeans I can use Ant or Maven as the project format, indexing actually stops instead of being done every time application starts, my humble laptop doesn't sound like a propeller plane getting ready for take-off, Javadoc works out of the box without having to dive into settings, no more hunting for problems, easily displayed dynamically without having to trigger manual inspections, ...