Well it’s about time:
Yes, IE7 has tabs. Some people have asked why we didn’t put tabs in IE sooner. Initially, we had some concerns around complexity and consistency… will it confuse users more than it benefits them? Is it confusing if IE has tabs, but other core parts of the Windows experience, like Windows Media Player or the shell, don’t have tabs? I think we made the wrong decision here initially, and we’re making the right one now.
Now, where is the damn screenshot?
Read: IEBlog
MasterMaq's Blog 