I'm surprised no one has posted on this yet, since I've seen a few of the members on here with the new Avatar on their Xbox Live profile.
Looks like Microsoft is helping to celebrate the 30th anniversary of the Empire Strikes back with some new Avatars for your Xbox Live profile. We finally, finally will get a proper Boba Fett avatar. You can use Microsoft points to either just purchase Boba's helmet, or you can purchase his entire Mandalorian armor for a few points more.
Also, over on Star Wars.com
http://www.starwars.com/games/news/esb30_xboxlive/index.html
It says is this article that they also have female variants of some of the avatar's. I'm interested in seeing what the female version of the Fett armor looks like.
Enjoy.