I need a noun for an adjective "neat" (or "cool") in the slang meaning "terrific". My logic tells me to use "neatness", but dictionaries don't seem to list the slang meaning for it. I don't mind any synonym, as long as it's short and commonly used.
It's intended to be used in a "programming equation":
XAML − XML.verbosity + JSON.neatness, where verbosity is a property of XML, and JSON language is more readable and concise.