I would suggest manjaro mainly because of the following -
The AUR - never have problems with finding packages or building them or having to mess with your $PATH
Out of the box awesome user experience with a well-thought UI and some useful packages installed by default
If you want to customize your installation - Manjaro Architect
Rolling release - never reinstall your OS for updates and get the latest and greatest packages quickly. [note: manjaro uses it's own repos that are delayed in comparison to Arch.]
Arch based - Fast.
Allows the user to change the system kernel easily and reliably.
Also, in my experience, Manjaro has been pretty stable and works without a hitch.
Manjaro
I would suggest manjaro mainly because of the following -
Also, in my experience, Manjaro has been pretty stable and works without a hitch.
Great list, thanks!