It’s been all over and frankly, I just don’t believe it. Not that powers that be aren’t that stupid, it just doesn’t make any sense. Only we few geeks even know about the whole Mirror Universe concept and I doubt that Paramount will attempt anything with that narrow an audience. Here’s the original story from Ain’t it Cool News.
Update: Paramount has quashed the rumor, but has confirmed the existance of a Star Trek script that is being looked at by the studio.