i finally got my approval, and my card is in production
Sent - 08/20/2012 Lockbox - Chicago Lockbox delivered - August 21, 2012
acceptance letter -8/27/2012 at ( Vermont)
Date of I-797 C Notice of Action -9/01/2012
Date Biometrics -9/17/2012
Date of EAD Approved-9/28/2012