I'm a pretty vanilla guy. I like to keep things simple and functional. Give me more real estate and faster loading times, let me put my tabs where I want them, put my downloads in the statusbar and get rid of that annoying downloads window.
AdBlock Plus (though please unblock CP)
Download Statusbar
Tab Mix Plus
Edit: Also, "
rein 3.0.1" theme. Simple. Elegant. Minimalistic.
That's it.