If you don’t use Firefox with the SEO plugin this is a good alternative, it’s a free pagerank search tool. One use for this tool is to help discover websites that you might want to try to get links from to increase your traffic.
The higher the Google pagerank of the page linking to you, the more pagerank you will inherit. This tool will show the page rank of each of the search results. The search is sortable by pagerank or relevance.