I think you will get it at any time, here is my case:

来源: 于 2007-12-04 11:20:52 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

prioty date: march, 2005
I140 filed May 2007,
I485 filed June 2007,
and my online status just got updated and approved yesterday

Good luck to you and everyone else