I have done a little Performance test for the 3 different methods available in PHP for XML generation. For this test I wrote a little script which generates the same XML File using the different methods.
Netbeans is not perfect, and there are some features that need to be polished (Ex.: SVN Support, Time Tracking like Mylyn), but the PHP/HTML/CSS/JS Support is excellent, in my opinion better than the Eclipse PDF support.
These is my netbeans_default_options for Netbeans for MacOSX (under Windows you can leave out the –laf switch, it’s for changing the look and feel):