D4Y Directory of Directories is powerful directory of directories the top categories have a PR 3. The directory is constantly being promoted by building links by submitting to directories and buying links from other sites. I have also purchased sitewide links from few sites to this directory. Site has more than 8600 backlinks in yahoo and a PageStrength of 4 Top Categories(only featured links get top categories) that have PR you can submit to Niche Directories Paid Directories Directory of Directories Directory Resources Free Directories Regional Directories Reciprocal Directories