Nowadays I am using JetBrains' PHPStorm and I can easily say, this is the best editor I've ever tried. Comes with lots of features that I have not seen at other editors like,
- find a word in a directory (grep equivalent)
- extended and useful intellisense feature with multiple files and parent classes
- internal GIT support
- a tree view for application structure
- an awesome version history support that works with GIT and your local history. This is very useful when you want to take a look at a GIT untracked file, you can see all history details of the file for weeks.
- with a great addon named CSSXFire that works with Firebug and tracks the CSS changes and import them to editor and allows you easily reproduce the same changes that you've done in Firebug CSS Console. This is really awesome
- another useful feature is, when you want to delete or rename a file, editor searches the file has been used in this directory and notifies you. This is called
safe-refactor
- intellisense for files, while you typing a css background-image, a src or an href attribute
Sometimes I deal with PHP so I prefer PHPStorm, so Front End Developers should prefer WebStrorm that is specialized for us.
I think, every FE Developer should try PHPStorm or WebStorm with Firefox and Firebug.