With Yahoo buying Indextools, there was talk that they make the service free. They have now removed the pricing page from the website.... http://www.indextools.com/products/index.html You can still find the pricing page here: http://www.indextools.com/products/pricing.html , but it is not any of the main pages.....
Yes its about to become free and by many accounts its a more developed analytical tool that Google's offering. From the current edition of net magazine: