Two of the core Justicar self-buffs are becoming passives, which helps some. I know what you mean about buffs. I've been dual-boxing a cleric/mage team. Every hour, or every time we die, or whatever:
Cleric: Salvation, Cavalier, Reparation, Vengeance of the Winter Storm, Crag Hammer, Mien of Vengeance.
In my tanking build, also add Righteous Mandate, and swap Crag Hammer for one of the shaman animal buffs.
It's... pretty noticeable.
Although my rogue exploring/soloing build has two poisons, poison malice, the riftstalker health buff, a bard health buff, and an anthem.