The desktop looks typical KDE and for serious stuff. One good thing is in the first login itself, the guest and root passwords are mentioned. For a lot of distros, many-a-times I have to search on net to get the default root password. The developers have surely thought of the first time users.
PCLinuxOS has a rich ensemble of out-of-the-box applications. Further, from synaptic package manager, other essential apps can be downloaded. Firefox 9 with Adobe Flash support, Dropbox, Thunderbird, pidgin, bit-torrent client, GIMP, VLC, DVD slideshow maker, television viewer, etc. are provided by default along with a host of KDE specific applications like Konqueror browser, smb4K, Ksnapshot, etc. Kmymoney or personal finance manager is provided with the default CD and I found it quite good.
The OS by default doesn't have any Office app but a link is given for the users to download LibreOffice once installed in the system. However, what I found is that PCLinux provides out-of-the-box support for a lot of graphic cards (like Intel EMGD, Nvidia) and peripheral devices like printers and scanners. This is really good for new Linux users.
CPU and RAM Usage
CPU usage is about 3-10% and RAM about 280 MB without any other app running - which is decent for a KDE OS.
Overall, I liked PCLinuxOS - a pretty solid KDE desktop. Definitely I liked it more than Kubuntu. The distro is really good and worth a try. Quite a few screenshots are provided in my Flickr Album for those who are interested to know more about PCLINUXOS.
July 15, 2012: I removed Xubuntu 12.04 LTS from my netbook and replaced it with PCLinuxOS. Seems like the distro, as well as, neat KDE interface, is growing on me! Installation was easy and the OS is really fast.