Chakra Linux is a distribution Linux focused on the use of KDE. According to DistroWatch Chakra Linux is one of the 15 distributions More popular the world and is well received by critics.
Key features
KDE 4.8.0
Linux kernel 3.2.2
Qt 4.8
tomoyo-tools 2.5 added to the default installation, for more security options
wqy-microhei became the new default font for Chinese / Japanese / Korean languages
I like it, I have been using it for a short time I come from Kubuntu 😀
Not to offend, but if you used Kubuntu it is obvious that you are going to love Chakra hehe. Very good distro.