I personally like a large medium sized amount of plugins/support, having a decent amount of speed that I am not rage quitting, and that there is a ton of security, I also like browsers that do not take up a lot of cpu/mem, Do not have tons of fancy themes because they just annoy me, and that they are not a bitch when you first install them
Ex of a bitch.)
Do you want to install yahoo toolbars?
Do you want bing as your search engine?
Do you want ASK.com to be your search provider?
Are you looking for singles in your area?