When selling modules and turrets to a vendor add the favourite and trash icons to the interface to allow the user to see which is which
Allow alliance ships access to personal inventory when interacting with stations, maybe a tab to switch between alliance inventory and personal
Provide the ability to select multiple items and move them from personal inventory to alliance or vice versa
Provide the ability to destroy, mark as trash, or mark as favourite multiple items
Maybe use standard conventions like CTRL click to perform multiple selects or SHIFT click to select a block of items, then allow the above two actions to be performed on them
Allow multiple fighter wings to be grouped under 1 hotkey (like turrets currently can be), so you can command more than one wing with one command