In PJiang's blog says the address for I-485 are Neberaska:
http://blog.wenxuecity.com/blogview.php?date=200706&postID=37987
but in USCIS.gov, says some states' case go to Neberaska, the rest go to Texas. Which one is correct?
http://www.uscis.gov/portal/site/uscis/menuitem.5af9bb95919f35e66f614176543f6d1a/?vgnextoid=3faf2c1a6855d010VgnVCM10000048f3d6a1RCRD&vgnextchannel=dd346d26d17df110VgnVCM1000004718190aRCRD