Sometimes I get amazed at all the little shortcuts out there when one knows them. Here is another one for you Firefox users who also happen to have a mouse with a scroll-wheel. Usually, to open a link in a new tab in Firefox, you just right-click on the link and hit New Tab. As a little shortcut, you can simply click on the link with your scroll-wheel. It will open into a new tab.

Its a quickie little shortcut. It might take a little getting used to because some (including me) have a tendency to roll the wheel slightly when trying to click with it, thus missing the link. The other catch is that it might not work if you already have other functions assigned to scroll-wheel clicks.