So they changed the name from Star Wars Anthology: Rouge One, to Rouge One: A star Wars Story. I liked Anthology better, A Star Wars Story definitely sounds like a Disney title. Its like they took Star Wars, A Bug's life and Toy Story and mashed it into one title.
On a different note Mads Mikkelsen the guy that played the bad guy on Casino Royale is playing a good guy named Galek. I thought for sure he would be an Imperial Officer. My personal speculation is he is an Imperial Officer who becomes a traitor or something like that.
One unconfirmed rumor is they will be making a digital Grand Moff Tarkin, just a rumor I take with a grain of salt. It would make sense to have Tarkin in the movie, but digital Tarkin sounds scary.
Here are some unconfirmed pictures of some helmets that may be in the movie, the middle one of course but the other two are intriguing. The movie may also be shot in 70mm widescreen format, I like the trend of Star Wars movies being shot on film as opposed to digital. Its all hear say though no one confirms or denies anything.