It's so annoying when software gives me an option to do something, then just doesn't do it. Firefox 2 (and now 3) is a very nice place to browse. It has lots of cool features like tabbed browsing. I love this feature, and tell Firefox to open all pop-ups in a tab instead of a new window.
For some reason there is one stubborn link that opens it in a new window anyway. After a bit of research, I discovered that there IS a way to fix it!
open the about:config page, and change the "browser.link.open_newwindow.restriction" setting to 0 (zero).
This seems to do the trick! No muss no fuss. Does this work in 3.0 as well? Let me know if you have tried it out...
Here is a test link:
John Boal's Blog
If it opens in a tab, you've fixed it!