Ranked in these QuestionsQuestion Ranking
Pro Focuses on KDE/Qt Apps
comes with none GTK apps per default
Pro Independent from Arch
its not just another Arch Spin-off
Pro Keeps Gnome apps tidier even than Gnome distros
Con No real installer
Has no installer just a big bloated LiveCD that gets unpacked to your disk.
Compared to deb or rpm it takes ages to update the system, it's also very dumb in dependency tracking.
Con Unreliable Servers
The CCR or the community forums are often down or unreachable.
Con Overwrites your default EFI config
It overwrites your default EFI config wich can make you PC unbootable if something goes wrong.
Con Uses systemd
Which is very hard to debug and not a *nix standard.
Con Weak base
Sometimes updates will not execute hooks(full update always misses to run mkinitcpio) so you get an unbootable system.
Con Small development team
The team is very small
Con Only available for x86-based CPUs
Con Wont let you install the system to USB drives
Chakras weak installer Calamares does not allow you to install it to a USB drive.
Con Weak update process to a recent release
For example, you can install the Goedel Release and update it to the current release which then fails to boot due to some systemd-errors.