Last I heard Eizo was not planning on releasing a Mavericks compatible update of ColorNavigator until early 2014.
It was a pleasant surprise when checking today to find that back on November 22, Eizo released ColorNavigator v6.4.6 which is Mavericks compatible. After downloading and installing it my experience has been "so far so good' when using it on my Eizo CG222W which is the second monitor with my 27" iMac. Calibration and and profiling was done with an Xrite i1 Display Pro colorimeter.
The download is at http://www.eizo.com/na/support/db/products/download/544