Check out this free data grid template from Webportio.
free data grid template
If your developing a web app or simple table, this template will be a worthwhile download.
Check out this Free Mobile Wireframe Template from Webportio.
Free Mobile Wireframe Template
This is another resource to help Fireworks users to design and prototype mobile apps. If you need to design for more viewports on iOS then you can download the iOS grid system for more options.