Directories – one way links

One way links are better than reciprocal links. One source of one way links in directories – there is some doubt about how useful these are. Google has reduced the page rank on many and you will often find inner pages have no PR. However, there is some advantage in adding links to top directories or directories in your niche:

A to Z Directory
the BIG directory
mySearchEngineRanking.com
BiddingForLinks.com
Real Estate Directory