Well, if you don't mind, a slight disagreement. Depending on how much faster (say 1:36, or even up to 1:20, perhaps) you can actually do fairly well with a round ball using lighter loads. It becomes a shorter range gun with such loads, but quite good accuracy can be achieved. Obviously one would rather have the slow twist for a round ball, but if that's not an option there's no reason to eschew them completely. I'd have no problem sighting in a 28" 1:36 barrel for whitetail at 50 yards with 70 grains, or probably even better, 60 grains. It's worth trying.