mgravlee - 10:44 am on Aug 6, 2010 (gmt 0) [edited by: tedster at 4:08 pm (utc) on Aug 6, 2010]
I have directories on three of my main sites. They add traffic and some revenue and another reason for people to become members. If they are carefully human edited they provide useful guides for your niche. They are all do-follow and certainly haven't hurt my Google PR.
[edit reason] moved from another location [/edit]
[edited by: tedster at 4:08 pm (utc) on Aug 6, 2010]