Okay I've been using Google Adword Tool and FreeKeyword WordTracker (free one, the search box available on site) for a while. Now I'm seeing some figures which I'm not able to relate.

Please suggest me the tools you use to find number of searches carried out for keyphrases. Free tool is better for me

Heck! Guide me on using these tools and understanding/analyzing figures more efficiently.

For a keyphrase, I've the following information -

Google Adword Tool - Approx Avg Search Volume 33,100
WordTracker Count - 43
SEOBook - Google daily est - 54

Okay so now please help me on this