Firefox Extension Guide and More
Anonymous Coward writes "A comprehensive list of Firefox extensions geared for the average power user and web developer includes description and screenshots of featured extensions. Plus Firefox Hacks and keyboard command guide. Always updated with the latest Firefox extensions, and tweaks."
Firefox caches a lot of pages in memory because studies show that the "back" button gets heavy use in average browsing situations. So cacheing recently visited pages improves performance.
No folly is more costly than the folly of intolerant idealism. - Winston Churchill