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I agree with the reviewer on the lack of unified apps and aesthetics across PClinuxOs but the distro makes up for that in other ways (Best Kde distro :-), out of box support for variety of media codecs, Proprietary drivers for my ATI video card ,quick updates for my fav apps and a superb remastering tool) Edited 2011-02-18 07:04 UTC
ArchLinux has 64bit binaries and is my personal favourite KDE4-compatible distro.
I say "compatible" because it doesn't ship with a KDE desktop from ISO - you install it from the repositories. However if you've had any exposure to Arch this should all be fairly obvious to you.
If you want a KDE4-out-of-the-box distro, then Chakra is based upon Arch: http://chakra-project.org/
I still remember how i held on to my KDE3 installation of PCLOS.It was so good.I believe PCLOS switched to KDE4 when KDE 4.3 came out and i started using KDE from 4.4.I used Arch long back and it needs too much tinkering. Edited 2011-02-19 00:42 UTC
"If you're a first-time Linux user [..] better choices are available."
What are you talking about? PCLOS has a few drawbacks, alright, but it's one of the most beginner-friendly distros out there, and if there's anything they get right, it is catering to first-time Linux users. It's not so long ago that Ubuntu really started to catch up on that front.