You could test it by putting in some recent event keywords to test. You may also want to check http://forums.digitalpoint.com/showthread.php?t=439233 for a list of keyword tools.
I have sites for keyword research http://www.selfseo.com/thread-240.php I think it is beneficial for u.
Its a nice tool. If you want to try php scripts like these below in your sites BackLink Research Tool Bulk Alexa Ranking Checker Bulk DMOZ Listing Checker Bulk Keword Research Tool Bulk Link Popularity Checker Bulk PageRank Checker Bulk SE Saturation Checker Content Size Ratio Calculator Deep Link Ratio Calculator Indexed Pages PR Checker Keyword Competition Survey Keyword Density Analyzer Keyword Suggest Extractor Keyword Typo Generator Meta Data Extractor Multi DC Link Popularity Checker Multi DC Page Rank Checker Multi DC SE Saturation Check Online Link Popularity Survey Online Link Status Checker Online Page Survey Outbound Links Checker Overture Advertiser Search Search Engine Extractor Search Engine Rank Checker Search with PageRank Server Headers Checker Sitewide Cache Inspector Sitewide Page Rank Inspector Website Keyword Harverstor Just PM me.