Why leave it behind? Why not have the devs hire someone creative enough to make other weapons compelling to use too? What would be fun is having so many items and choices that are all compelling, items feeding off each other to be a complex thoughtful choice on what items to use. This would be a blast. The choices should be such that there is no one small set of gear to use to accomplish a given mission. It should be such that we can experiment with many choices to discover our own "Destiny" ....