我的情况是：
May 2004: LC filed. employment based RIR,eb2
Jan. 2006: LC approved after 1.5 years in backlog center
May 2006: I-140 filed
Aug. 2006: became current and filed I485
Nov. 2006: I-140 approved
Feb. 2007: wrote to Senator and Mr. Bush asking for help with Name Check
May. 2007: received letter from FBI saying NC still in process
June and Aug. 2007: INFOPASS, was told NC still pending, very disappointed
9/17/2007: LUD, welcome notice
Here is the LUD I received today:
Application Type: I485, APPLICATION TO REGISTER PERMANENT RESIDENCE OR TO ADJUST STATUS
Current Status: Notice mailed welcoming the new permanent resident.
On September 17, 2007, we mailed you a notice that we had registered this customer's new permanent resident status. Please follow any instructions on the notice. Your new permanent resident card should be mailed within 60 days following this registration or after you complete any ADIT processing referred to in the welcome notice, whichever is later. If you move before you get your new card call customer service. You can also receive automatic e-mail updates as we process your case. Just follow the link below to register.
从该论坛得到不少帮助与启发，祝其他还在黑暗中等待的朋友好运，不要轻易放弃！