Quote Originally Posted by killerkooki
List of PHP Editors
That should be a pretty good list of IDEs that you can use (a little further down in that post).
Wow. There are a lot of really good links here. Thanks for point it out killerkooki.

On subject. I use Text Pad 4. I does pretty good on the syntax hilighting. But the best feature is that its fast, easy to work with, and I can install it where needed.