Did not read the full thread, but it seems people are now discussing about main charact of the ROG/NIN. Sorry if it has been said before...

http://xivdb.com/?search/!patch-Patch2.28

Look the "skill" tab. You can see some written in japanese. They are (99.9% probability) related to the ROG. There is also 3 "Dex+". So that would mean the main charact for ROG is dext.