NIW EB-2 application concurrent I-140/I-485 to Nebraska Service Center in August 2004;
I-140 RFE (Request for Evidence) in June 2005. I-140 approved in Sept. 2005.
Fingerprint appointments 3 times!
I-485 RFE (for employer letter and birth certificate) in Sept. 2006.
ted materials a week ago and the LUD (latest updating date) has been updated every day since. And approval email received today!
Hope this can encourage folks who are still waiting.
THANKS for the valuable information from this forum and other chinese online sources and from friends!
Good luck and be patient.