CMS comparision - where you can find a place to do this?

Image via WikipediaIn the past, I received a request from my client: implement a CMS to satisfy some of their specific requirements.
The first step I have to do is: searching on Internet all of CMS solution and compare them for pricing, features, ...
Fortunately, I found a website very useful for this: http://www.cmsmatrix.org/

After checking all famous CMS on this site with features and pricing. I found the best solution for my customer.
I hope it can help you also