GhostBSD 3.5 is the new release today that does away with GNOME 2.32 in favor of MATE and also adds in Xfce 4.10 as a desktop option. GhostBSD 3.5 also pulls in various kernel changes and package upgrades from FreeBSD 9.2. GhostBSD 3.5 also now installs Shotwell and the GIMP image editor by default and it's replaced Apache OpenOffice with LibreOffice. Additionallym the installer has been updated too.
GhostBSD 3.5 is codenamed "Levi" and more release details can be found via GhostBSD.org.