Firefox Tips & Tricks (about:config)
browser.tabs.closeButtons = 3; // Firefox 2.0 browser.backspace_action = 0; // Firefox 2.0 keyword.URL = http://www.google.com/search?ie=UTF-8&q= // Basic tip mousewheel.horizscroll.withnokey.action = 0 // On laptop mousewheel.horizscroll.withnokey.sysnumlines = true // On laptop