to force extensions to work with beta versions of firefox, create about:config entry for extensions.checkCompatibility=false http://bit.ly/BG0uR
a vacuum places.sqlite in your firefox profile may reduce database size and decrease load time http://bit.ly/MhMy
to manage profiles in firefox, use the —profilemanager switch from the command line
to change the default handler for rss feeds, change web feeds in application preferences
(on a mac) alt-arrow gets to beginning/end of line, option-arrow goes forward/backward by word
to force links meant to open in a new window to open in a background tab, about:config, set browser.tabs.loadDivertedInBackground to true
to speed up browsing on a broadband connection: about:config, network.http.pipelining, network.http.proxy.pipelining to true; network.http.pipelining.maxrequests 30; create nglayout.initialpaint.delay as integer, set to 0
use keyconfig.xpi extension to remap next/previous tab: gBrowser.mTabContainer.advanceSelectedTab(1);
