Don't need /sch or /rdm in salvage. You can do that /thf on Whm. AoE buffs only applies to the pt that doesn't have a whm and most people bring at least 2 anyway... most of whm's native buffs are AoE anyway. AoE stoneskin is pretty redundant post cureskin changes, I can barely consider others worth AoEing. /Rdm is almost totally useless unless you need to dispel more often.
Don't need either sub to cap cure cast time as far as I can see.