Running one at first can be a little complicated from what I remember, the loading cycle's a little different than a pump.
But with a trained shooter the Super 90 can burn through rounds accurately faster than any other shotgun except a full auto. Five rounds in 1.5 seconds or so.
The recoil system does have issues with adding accessories (shell carriers, lights, optics) but otherwise, it's reliable.
"And Shepherds we shall be. For thee, my Lord for thee. Power hath descended forth from thy hand, that our feet may swiftly carry out thy command. So we shall flow a river forth to thee and teeming with souls shall it ever be. In nomine Patris, et fili, et Spiritus Sancti. Amen."