> Integrated debugging (with edit+continue while debugging) That's the main reason to use an IDE, in my mind, along with the ability to display the call sites

> Integrated debugging (with edit+continue while debugging) That's the main reason to use an IDE, in my mind, along with the ability to display the call sites of a function. > integrated version control interface, Never noticed any advantage compared to a shell with git or git-svn, personally. > integrated build system Depends what you mean by that. What's precious is the ability to detect errors before doing a build or testing anything. "Integrated build systems" in general I find often fall flat on their face when something outside of the IDE touches the files.