After riding the new Buell, I'm really hoping they drop that engine in a next-generation Sporty frame. The frame almost certainly needs to be re-designed as the current one is just too damn old of a design.
I wish the Sporty had a rubber mounted engine but I doubt they will do it. H-D is slow to change and they probably figure why change when the bikes are selling well. Another possible reason not to change is that many people get tired of the vibrations from the Sporty and decide to move up to a big twin. That just means more sales for the MoCo (cha-ching).