Best key word tracker

Hello everybody

I need to target cialis in uk. could you suggest me which keyword tracker is best Overture, wordtracker or any one else.

 

Personally i prefer Keyword Discovery over Overture and Word tracker.

 

I've had good results with Wordtracker, and a one-day subscription usually lasts around three days - which is a nice bonus, especially if you're targeting a single keyword.

Sam