How about programmable weapons/armor sets? I find myself constantly switching gear for strata, but I notice I'm always changing between the same few sets of gear.
Maybe four little icons in the character tab to select a load-out. You could map each load-out by putting on the equipment you want to use and then right-clicking on the load-out icon and selecting "Map Load-out." Left-clicking on the load-out equips the load-out. Switch all your gear with one click instead of hunting down each item and equipping it individually.
I'd suggest four to keep the theme of four that seems to run through parts of the game: four types of vials equipped at a time, four damage types (piercing, shadow, elemental, normal), four gates, four weapons equippable etc.
Thoughts?
Good idea :)