Is my I-485 approved...?

Dear All,

Got this email today from CIS. Does this mean my I-485 is approved? Can some expert confirm. What should I do next?Thanks a lot!
________________________________________
The last processing action taken on your case

Receipt Number: WAC...........

Application Type: I485 , APPLICATION TO REGISTER PERMANENT RESIDENCE OR TO ADJUST STATUS

Current Status: Approval notice sent.

On December 7, 2006, we mailed you a notice that we have approved this I485 APPLICATION TO REGISTER PERMANENT RESIDENCE OR TO ADJUST STATUS. Please follow any instructions on the notice. If you move before you
receive the notice, call customer service.

If you have questions or concerns about your application or the case status results listed above, or if you have not received a decision from USCIS within the current processing time listed*, please contact USCIS Customer Service at [phone].