Linux Mint 15 "KDE"
Release quote : "The team is proud to announce the release of Linux Mint 15 'Olivia' KDE. KDE is a vibrant, innovative, advanced, modern looking and full-featured desktop environment. This edition features all the improvements from the latest Linux Mint release on top of KDE 4.10. Here are a few examples of what is new in KDE 4.10: a new screen locker makes Workspaces more secure; KWin now detects some virtual machines and enables OpenGL compositing if possible; the proprietary AMD driver now has OpenGL 2 support; printer setup, maintenance and job control are improved with a new implementation of the Print Manager; Dolphin has seen many bug fixes, improvements and new features, e.g. transferring files to and from a phone or other mobile device has become easier with support for MTP devices, which show up in the Places panel..."