IMHO, there can be no valid list of "top ten greatest speakers", that does not include ANY Tannoy product.
I can say, from personal experience... that the Tannoy Churchill Wideband will lay waste to the Martin Logan, the Wilson WAMM (or any other Wilson, pretty much), and any of the Focal speakers (whether they be Utopia or not). This is from having heard them all in person, on "capable" systems. The Churchills just have the best combination of virtues... natural, neutral response, excellent transient response, astonishingly accurate imaging, capability of digging deep in the bass when called upon, lack of distortion, and they just plain look gorgeous too...
Regards,
Gordon.