Apple's iOS 7 isn't the only update out today: AutoDesSys has released v7.3 of FormZ. The latest update included many refinements to it's Layout portion of the program, as well as expanded NURBS tools and texture mapping controls. Other speed, display and rendering tool improvements have been made as well. The update is free to v7 owners and can be downloaded here or from within the already installed application. You can download the full release notes here for a complete rundown of the changes.
Here's a screenshot of the NURBS tool addition: