It would be great being able to change the origin the bend arc modifier uses as reference. That way it would be a way easier to bend just certain parts of the mesh and even stack different modifications if possible.
It would easily solve problems like the ones we can see in the following posts.
Feature requests need to be submitted to Pixologic Support, tied to your registered copy of the program. They are likely to be missed by the people that actually develop the program if made on the community boards.