i have always used DRG/WHM for my soloing, in all honestly it has saved me from a lot of close calls, (stupid Yagudo in campaign) *ahem* anyway, people say that BLU is a good sub for DRG and in all honesty i agree with them, the different spells and ablilty to make your own traits, Blu may not be able to raise you from KO but its fast and has low costing spells and it also gives a better boost to Melee then Whm. there are many factors to each job you want to sub for soloing. weigh the pros and cons before makin a final decsion. so it all really just falls to the guy wanting to use the sub job, think about the mission or hunt your goin on, and see which sub job will benefit you the most for it