As always: It depends. Better be proficient in command line tools and a simple editor than not being proficient in an fancy editor. But once you are used to t

As always: It depends. Better be proficient in command line tools and a simple editor than not being proficient in an fancy editor. But once you are used to the fancy editor it can be very efficient to be able to lookup a definition, do some refactorings, get an code outline view, auto completion, editing helps (text templates or the automatic } and indention) etc.