I've got no affiliation whatsoever with this site but I thought many would find it useful: technobloggie.com One of the tools there I find the most useful is No 5, the Google Metrics Tool. As it says, it's like Google's keyword count only much better. At a glance you can see cost of maximum bid on Adwords Estimated daily search volume Estimated monthly search volume Estimated daily clicks (Adwords) Market Value Adsense Effective CPM Anyway, have a look. You may find more gems in the list of tools.