For those that don't mind a few bugs here & there you can also use the newest Nightly build Minefield v3.6a1pre which has this issue FIXED!
So you see they are already on top of this & will add this fix to 3.5 shortly for Public release!~
You can download that here... Index of /pub/mozilla.org
I just switched to the Nightly build "Minefield" 3.6 & it's really fast! No bugs I can report...
If you use this addon Nightly Tester Tools you can still use all your favorite extensions & themes too!
Just click the Override All Compatibility button (screeny) & it's fixed! So far everything works fine...man it's fast!
You can download the Nightly Tester Tools addon here---> https://addons.mozilla.org/en-US/firefox/addon/6543