WordStream Interview with Tom Demers
http://www.wordstream.com/
I sat down with Tom Demers to talk about WordStream. WordStream looks to organize and update your key phrases in a new way. This is a very affordable tool that might help you continue to expand your key phrase universe.

In-depth Introduction to Key Phrase Research
Here is a video I just created on the process of doing key phrase research. It goes into what the key important factors are for key phrase research, a general overview of the major tools and how to get the most out of them.
Key phrase research is a crucial part of search engine marketing. If you get key phrase research wrong, everything else is wrong.
This video is a great primer on how to implement a successful key phrase research strategy.
Microsoft Advertising Intelligence Key Phrase Research
Microsoft's Key Phrase Research tool is now officially in beta.
It's a really powerful tool and offers a ton of great information. I
highly recommend you check it out!
In-depth review of Microsoft Advertising Intelligence
Microsoft Advertising Intelligence (formerly adCenter Add-in for Excel Beta) is a keyword research and optimization tool that operates seamlessly in Microsoft Office Excel 2007. It provides keyword expansion, research, pricing, and KPI data allowing you to maximize marketing ROI for your paid search and content ad campaigns.
Watch this in-depth members only video on how to use this really powerful key phrase research tool.