The latest version of this theme can be downloaded from Softpedia
Zukitwo, a beautiful theme designed for GNOME 3.10 that makes use of the GTK2 engine Murrine and the GTK2 pixbuf engine, is now at version 2013.11.07.The Zukitwo theme has received some improvements, making it one of the best for the GNOME desktop environment.
The latest version of this theme now includes a new Thunar style and a fix for a problem that was causing the border to appear below the active tabs.
There are also a lot of known bugs. For example, the IDE software Eclipse/Aptana may have some strange color bugs. Also, Gnome Files have a small weird padding on the infobar.
The theme has two requirements: GTK2 engine Murrine 0.98.1.1 or later, and GTK2 pixbuf engine or the gtk(2)-engines package.
Check out the changelog for a complete list of fixes. Download Zukitwo 2013.11.07 right now from Softpedia.