I saw this online, and I'll post some of the ones I think look the best out of the dozens on the website. It can be seen here: https://99designs.com/logo-design/c...91400/entries?filter=allactive&sorting=rating
http://boards.sportslogos.net/topic/89472-2013-nfl-uniformlogo-changes/page__st__1160
Check the next page as well.
PDA guy by the name of SHOWtime has seen the four finalized logos and has said it will be nothing more than a tweaked version of the leaked logo. I thought all along this would be the case considering the odd timing for the reveal. Time will tell...