I'm not keen on it either. I think the behaviour of the browser should be that the user controls whether it goes in a new window or tab, i.e.: LMB = same tab, M

I'm not keen on it either. I think the behaviour of the browser should be that the user controls whether it goes in a new window or tab, i.e.: LMB = same tab, MMB = new tab. Oh, and if the link is Javascript that attempts to enforce new or different tab, then thre browser should send a distributed denial of service attack to the website. Or better still, assassinate the person resonsible for it (though I suspect this is AI-complete).