Here’s a cool trick that might save you some time if you manually type URLs. While your cursor is in the address bar, type the name of the website you want to vist. For Example just type: virtualhigh5. Now, hold Control and hit Enter. This command will wrap the http://www. and the .com around the entry. This works in IE and Firefox.
These two shortcuts work in Firefox only: Hit Shift-Enter to add .net instead, and hit Shift-Ctrl-Enter to add .org.