I never got into the tab thing until lately... check out
Fast Video Download, not for the video downloading but for the Searching (it comes with it), I can highlight anything and instantly search it.
By the way, I don't think I have an Open in New Window all the time thing in my Firefox.
You may optionally give an explanation for why this post was reported, which will be sent to the moderators along with the report. This can help the moderator to understand why you reported the post.