widget

Hide/Display Widgets on Selected Pages

Here is a plugin to Hide or Display Widgets on selected pages: Hide/Display Widgets on Selected Pages

Here is a newer one that has been tested up to WP 3.1 Widget Logic

How to widgetize a theme

It is often useful to add a new area for widgets to a theme. The article in the link below provides a tutorial for ‘widgetizing’ a theme.

How to widgetize a theme