How long will i wait?

Hi guys am suppose to send in evidence of my husband recent income soon. And i did my biometrics like 2wks ago.am just wondering am i going to get my work permit soon because i submitted it with my I-485 application in september.I want to know even though we have to send in that evidence am i still gonna get my work permit soon please somebody with experience plzzzzzz i send in my application september 2009 and had my biometrics november 25 2009.