Since releasing Instant Roof three years ago I have been writing Instant Roof Nui. Here are some new capabilities that Instant Roof doesn't have:
SU 7 through SU 2014
Toolbar, Image Menus
Full Roof Framing members
Choose from many predefined Beam, Hip, and Rafter and Corbel end profiles.
Greek Returns Bird Blocks
Roof, Dutch Gable and Detail Styles: Choose from many preset or create custom
Align Material Textures on Eaves, Rafters, Beams, Hips, Roofing
Gutters: Choose from predefined gutter profiles