My Homepage is a very useful extension which loads your Home Page whenever you open a new tab.
If your Home Page is Google or any other search engine, you do not have to make an extra click as it does not takes away the required focus!
More Amazingly, sometime you may want not to load the homepage into the new Tab. Just use the shortcut key CTRL+ALT+M and a new tab will open without loading your Home Page.
Check it out at: http://rockyourfirefox.com/