Opera, lightweight, rarely have problems, and I don't really need add on or extensions as there's much more stable alternatives for them in the internet.
Sometimes I use gesture interface, and I prefer speed dials as it's easier to manage which sites I visit often, I use Chrome once but it's more like pooling on the most sites I frequent, but specific sites I love to check even though not so often is not displayed. Firefox is resource hog and my RAM can't fulfill its need.