SEO/SEM Best keyword tool from google is free - Youfindr.com did you try it?

http://youfindr.com/keywordtool?src=pop%26amp;q=%E8%B1%86%E8%85%90





http://youfindr.com/keywordtool?src=pop%26amp;q=kosmix





http://youfindr.com/keywordtool?src=pop%26amp;q=overture





http://youfindr.com/keywordtool?src=pop%26amp;q=brad+pitt|||I always use adwords.google.com for keyword discovery... I tried Youfindr.com but google is good in all means