I've used Emacs for years. In my current job I also have occasion to use IntelliJ IDEA for debugging. It amuses me to note that where Emacs was once derided for being large and slow ("Eight Megabytes And Constant Swapping" was one user's take on it, back when 8MB was a lot), now it is the smaller and faster choice.
Using it since the autumn of 2000, never failed me, no matter what crazy thing I wanted it to do.