Henry Jones identifies 1o useful tools for finding domain names at:
http://webdesignledger.com/tools/10-useful-tools-for-finding-the-perfect...

Here's the post:

10 Useful Tools for Finding the Perfect Domain Name
Henry Jones

Finding the right domain name is an important step in creating a successful website. Luckily there are tools out there to help you in this process by not only helping you find available domain names, but also helping you in the creative aspect by giving you suggestions. Here are 10 of these tools to help you find that perfect domain name.

Domize

I happened to come across some excellent vintage posts from Guy Kawasaki on how to name your start-up.

Here are the links:

Articles:

How To Name A Name:
http://blog.guykawasaki.com/2007/11/how-to-name-a-n.html

The Name Game:
http://blog.guykawasaki.com/2006/02/the_name_game.html

What's My Name:
http://www.halfagain.com/general-marketing/whats-my-name.html

Trademark Tips For Your Web App:
http://blog.guykawasaki.com/2006/08/trademark_tips_.html

Pros And Cons:
http://blog.guykawasaki.com/2007/02/a_study_of_the_.html

Tools:

More Words:
http://www.morewords.com/