adding alternative page themes

Hello, I'm using the Catch Everest theme for a commercial site (as opposed to a blog). So far, it's been great.  Thank you! Is it possible for each page to have a different variety of sidebar widgets? For example, I would like page 1 to have a text and image widget while page 2 would have only a text widget. At the moment, every page has the same sidebar widgets. Thanks, David