I didn't play tennis for few years. When I played again, I ditched my two hander. Better feel and better attacking possibilities that matches my aggressive playing, going for short points. Although I still don't have a slice (haha).
In fact, the main reason was that I had forgot how to hit a two hander. I'm still not comfortable with one handed returns on heavy serves (when I don't simply turn around the backhand to hit a forehand instead) or heavy balls at net so I tend to block them back with two hands (despite my racquet pallet showing, no grip longer than what's useful for one hand).