Right now, Struts and JSF support is basically in the form of
a) create skeleton project structure
b) raw editing of struts-config.xml file, with right-click wizards for some
basic 'Add' tasks
c) raw editing of validation.xml and tiles-defs.xml (neither of which even have
Struts right click menu options)

All of these amount to a very basic level of support for Struts, with competing
offerings (both commercial and open-source) providing much more productive
visual editors for all of these (in some cases including even visual editing of
the actual JSP pages and hooking the forms on them to Struts ActionForms).

NB's level of Struts support is basic at best right now and far behind other
tools. At the very least it should provide functionality equivalent to the
Struts Console:
http://www.jamesholmes.com/struts/console/
(which BTW does not work with NB 5.0 and higher)

or even better go a full visual route, similar to what MyEclipseIDE (and others)
offer:
http://myeclipseide.com/ContentExpress-display-ceid-54.html
http://myeclipseide.com/ContentExpress-display-ceid-55.html

In short, the developer should never have to edit the raw XML directly. They
should always have some sort of visual designer on top of those files to present
the data to them and allow modifications. Otherwise, developer productivity goes
down the drain.

P.S. Also, notice the total lack of Module support in Netbeans (i.e. there seems
to be no functionality to have a struts app with multiple modules, i.e. with
multiple module-specific struts-config.xml files).