Well, it was bound to happen sooner or later...
http://digitizor.com/2011/07/13/linux-mint-11-kde-debian/
The Linux Mint team has been testing Mint 11 KDE for a couple of weeks during which some important decisions were taken regarding changes in the software selection and the overall look and feel. This was prompted by the lack of performance and the amount of resources needed by the Kubuntu base. Apart from this there was a regression in the installer affecting the detection of other operating systems.
http://digitizor.com/2011/07/13/linux-mint-11-kde-debian/