Puff browser is not exactly a full browser and has a google2 patent. FF allready optimize their code for latin-1 and they say that utf-8 it's a mess... Fennec is more fluent and may have a better connectivity since v9, works better with Max VPN due to a bug fix for slower 3g connection. Opera test latest products for H speed only and is hard to say what's cookin' for Blink since Chrome works better anyway.