I’ve been using SearchMash (www.searchmash.com) for a week or so. It’s a nice clean ad-free search site. In addition to websites it returns images, blogs, Video and Wikipedia links. If you use Firefox you can add it to the search tool by selecting the dropdown in the tool and select Add SearchMash.
Google’s name doesn’t appear anywhere on the site, but the terms of service make it clear it’s a Google offering. I’m not going to repeat it’s features here. Check it out, click the “Features” link on the main page.