Togglable/Micro-Manageable Hacks
My main idea was for SS Debuffs. There's nothing about having hacks that annoys me, except for getting disconnected while trying to do tombs, or spider dens, or basically anything that gives you a bunch of SS Debuff shots. So why not make it (or, if you don't like including SS Debuffs, any other hack) togglable?
My other idea was to make certain hacks micro-manageable. To use the example of SS Debuffs again, you may not want to get hit by so many shots that you disconnected, but you still want to be able to not get insta-killed by, if you're in a tomb, scarabs or Nut's rage. You would disable everything, except for anti-paralyze.
Again, my idea was for SS Debuffs, but since I know most people here don't like SS Debuffs, I'm sure it could be useful in other areas as well... Togglable Sprite World hacks, for example.