I received emails from USCIS on May 17, 2007 that the approval notices have been sent out. Long Journey.
April 2002 I140 Filed
May 2003 Ref
July 2003 I140 Approved
August 2003 I485 File (myself and my wife)
November 2004 First FP code1
March 2007 Transferred from VSC to TSC
March 2007 2nd FP code1
May 2007 REF (TB skin test)
May 2007 I485 approved
Still waiting for the mail, and made appointments for passport stamps next week.
Special thanks to Radiology and Xiaobaitu, etc. for valuable suggestions during the end of the long journey.
Be patient, and good luck to everyone. Good sign that many people got GC recently.