FWIW, I usually have between 10 and 30 tabs opened simultaneously and I'm usually pushing 1G ever since 4.0 rolled out. I may cycle 100-200 over a few hours an

FWIW, I usually have between 10 and 30 tabs opened simultaneously and I'm usually pushing 1G ever since 4.0 rolled out. I may cycle 100-200 over a few hours and then have to restart to reclaim memory (only 4G). Similar usage with 3.x rarely exceeded 300MB and FF would remain open for weeks.