Here are a few more I don't think were mentioned

http://bluefind.com/
http://musicmoz.org/ - Music
http://www.searchturtle.com/
http://www.wowdirectory.com/

I did some more work on the spread sheet. Feel free to use it in any way you want. It may be best just to link to it becuase I see this as an on going long term (never ending) project.

http://www.outdoors-411.com/directory-se.xls