Excellent. Thank you. As we discussed I guess it's time for me to learn how to un-PBO and use the editor. :)

Last question for now (not sure if you missed it above). Are any of the missions on the site currently set up this way? And if not, is there one coming?

Will find out and post back.

Excellent walk-thru on pbo files and editing missions by Gunter.
http://warmod.webs.com/importmissiontoeditor.htm

Also search for this and read it (old but still relevant): Mr. Murray's Editing Guide for Arma 2