4. The 3D effect makes it look prettier.
I noticed that enabling 3D brightened up the visuals and made the jagged edges of the game's models look much smoother.
With many claiming that the 3D effect on the New Nintendo 3DS is a marked improvement over its predecessors, it’d be a shame if Nintendo and Capcom didn’t coordinate Monster Hunter 4 Ultimate’s release around the same time as the revamped handheld.