If you like being lazy and want to browse sites you don't have in your bookmarks already in the fastest possible way, there is a Firefox option that lets you determine what happens with expressions entered into the url bar.
There, you can enter the Google url that will open the correct search result for the keyword you entered into the url bar without having to enter those nasty "http://"s and "www."s and ".com"s. Meaning, if you just type faqforge, it will open this site right away.
To enable this feature, enter about:config into your Firefox url bar to access the configuration. In the filter field, type keyword.url. Double-click the only remaining entry to change its value and set it to
Close the configuration afterwards and test the settings by entering some sitename into the url bar.