Directory is one of the most important part of Search Engine Optimization. Some good directory sites can give us good back links . If these back links are from good pr sites then it is an advantage for SEO.Here are some examples of good instant link directory.

1. http://isdir.info/

2. http://fastcatalog.info/

3. http://cashdir.info/

4. http://bestcatalog.info/

5. http://www.atdir.info/

6. http://yesdir.info/

7. http://largerdir.info/

8. http://lastdir.info/

9. http://ofdir.info/

10. http://thisdir.info/