I am on OS X (10.6.5). I did not see FF4 CPU usage anything near what you are seeing. My CPU is ~2-3% with 6 tabs open (2 being Gmail). RAM usage is steady af

I am on OS X (10.6.5). I did not see FF4 CPU usage anything near what you are seeing. My CPU is ~2-3% with 6 tabs open (2 being Gmail). RAM usage is steady after a day of using the same browser process.