Lyra Etna Versus Kleos

Hi,

I am considering upgrading from a Lyra Delos to a Kleo or Etna.

I have all ARC Reference gear, Vandersteen Treo speakers and Kuzma Reference table with 4 Point arm.

Has anyone had experience with the Kleos in comparison to the Etna? Is Kleos a step up from the Delos or not? Is the Etna a big improvement over the Delos?

Thanks,

pdsmith