that is for all those who were waiting for a release candidate before leaving the comforts of your FF3.6. Chrome is still the best when it comes to speed and casual browsing, but am a fan of FF addons and theme. and with 2gb+ RAM, who cares about the ram heavy browser.
and for the top percentile adopters, FF4 beta12 is still around
interesting read on FF4 – behind the hood stuff: Graphics, UIfeatures, FF4 vs IE9 – RC