Something I think would be a fun addition to say a hunter would be an exotic that allow two sidearm like weapons to be equipped in the primary slot. Two sub-machine guns (less powerful and shorter range auto rifles) for titans I don't know what for the Warlock, but two short swords would be cool, even though it seems to go better with a hunter. Gives class uniqueness and adds something new. I'm sure this has been discussed before. But a friend and I were thinking about it recently and just though, hey, that would be cool.