Even the latest stable release (3.6.6) starts just as fast as Chrome for me (I use an ad blocker, bookmark sync and firebug in both browsers). Firefox has been

Even the latest stable release (3.6.6) starts just as fast as Chrome for me (I use an ad blocker, bookmark sync and firebug in both browsers). Firefox has been painfully slow in the past, but it seems okay now, although its UI is still rather clunky.