The DHS has announced new rules impacting certains persons on OPT.  http://www.dhs.gov/xnews/releases/pr_1207334008610.shtm  HLG will be providing a detailed summary of these rules on Monday.  The USCIS has also issed an FAQ regarding the new rules http://www.uscis.gov/files/article/OPT_FAQ_4apr08.pdf