I use it all the time. I have a handful of scripts that I use to tweak a bunch of sites I spend a lot of time on, including one for blacklisting some annoying

I use it all the time. I have a handful of scripts that I use to tweak a bunch of sites I spend a lot of time on, including one for blacklisting some annoying folks here on HN: http://userscripts.org/scripts/review/55745 http://userscripts.org/scripts/review/55745