new browser windows or not?

I use Zemanta with Blogger and couldn't help notice that, by default, links open in a new window, with the notable exception of the Zemanta link, which stays in the same window.

Myself, I don't open new windows for other links in my post, I find it a hassle for readers and unfair behaviour online. I can see why others would do it; I used to do it years ago.

I would like the option of setting this default to 'new window' or 'same window'. I would also like that the Zemanta link abides by the same rules. That would seem fair to me.

Right now I edit all links to open in the same window and I can imagine some savvy users may edit the Zemanta link to open in a new window like the others, function of taste.

Isn't there are better, simpler way for both sides? Perhaps a 'preferences' page on site.