OK, I have written a review of CentOS 7 64-bit KDE edition, a distribution based on RedHat Enteprise Linux (RHEL) 7, covering live session, installation and post-install use, including Wireless (2.4GHz and 5GHz), Bluetooth, Samba sharing, partitioning difficulties and installer errors, desktop look & feel, command-line only package management, problems with third-party repository contents, applications, customization, desktop effects, printing, resource usage, stability, suspend & resume, various, and more. Take a look.