For those that use virt-manager as their virtual machine manager, version 0.8.0 was released last night and it introduces some noteworthy features. Version 0.8.0 of virt-manager features a new VM cloning wizard, an improved user-interface, system tray icon support, CPU pinning support, security settings improvements, and various other improvements and bug fixes. The improved user-interface for virt-manager includes a major overhaul to the main manager viewer. With the security settings there is now support for viewing them as well as changing these settings.
The virt-manager 0.8.0 release announcement can be read at Linux-KVM.com