It took me many addons to make Firefox 4 not completely suck. But so far, it's more trouble than its worth...I'll stick with Chrome, it now has addon solutions for just about everything I had on Firefox, except for Firebug, which is basically already built into Chrome....so I wouldn't need it.
By the way, you can fix the open in new tab/window menu problem with this addon:
http://addons.mozilla.org/en-US/firefox/addon/menu-editor/
By the way, you can fix the open in new tab/window menu problem with this addon:
http://addons.mozilla.org/en-US/firefox/addon/menu-editor/