>>>In Opera, which is a very superior browser (compared with IE), you can also press Ctrl-Shift-Click. This will open the item in a new window, without bringing the new window to the front. This allows you to quickly select several items.
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>>And in Mozilla, click mouse wheel on the link, opens in new tab. No need to use the keyboard.
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>Ah, that is a useful hint. I have just started to use FireFox, and don't know all the shortcuts yet.
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>In Opera, clicking with the mouse wheel will open in a new window (tab), but without bringing it to front.

Navigate to about:config in Mozilla, and there's a setting for it.