Keyword Explosion

A few keyword products I can recommend:

Keyword Explosion
2.1 Million database of high paying AdSense keywords!
Keyword Explosion

Keyword Junkies
With your paid monthly membership in Keyword Junkies – you get so much more than just low-competition, high-profit long-tail keywords. I’ve also made it dead simple for you to start using this information to make money right away!
Keyword Junkies

Keyword Secret
Finally! A Way To Force Google To Give Up All Its Keyword Secrets And Use Them To Get The Highest Possible Results With The Least Amount Of Time And Effort!
Keyword Secret