I use the blm head for building Azure, the red can to, but it takes longer. I also use any except red in parties since red won't cure anyone but myself and itself. I just choose based on the damage type we are low on. However, I always preface a whm auto that we still need a healer since he's only good for back-up. Ranger is sweet, but in Aby he's gonna give you a steady diet of Ruby light so alot of parties have issues with it. Still leveling up VE, but supposedly he's awesome when you get him up there and he gives alot of pearl. But blm is prolly my DD frame of choice right now, Azure is generally a good thing if in Aby, I simply don't use it solo because I have issues keeping hate off it for the ADD tactic.