I have received a case update email for uscis. My and my wife's 485 cases have been approved.
Here are the information about my case,
I140 filed in Sept 2003
I485 filed in Jan 2004
I140 approved in April 2004
fingerprinted in Nov 2004
I 485 approved in Jan 2005
EB2 Texas Center.
Learned a lot from this forum in the past several mnoths. Thank you all and good luck!
Learned a lot here in the past months.