Update
1. Me - RD 11/01/12 : I-485 Status - Initial Review (still waiting)
2. Friend 1 - RD 11/01/12 : I-485 Status - RFE email received 02/08/12 (submit Birth Certificates) - RFE response received 02/28/2012 - Approved 03/08/2012
3. Friend 2 - RD 11/04/12 : I-485 Status - RFE email received 02/23/12 (BC, EVL, MC) - RFE response received 03/07/2012
4. Friend 3 - RD 11/08/12 : I-485 Status - Approval email received 02/11/12