The UI.Layout plug-in can create any UI look you want - from simple headers or sidebars, to a complex application with toolbars, menus, help-panels, status bars, sub-forms, etc. Combined it with other jQuery UI widgets to create a sophisticated application. There are no limitations or issues - this widget is ready for production use. All feedback and requests are welcome as development is ongoing. If you create a good looking application using UI.Layout, please let us know.