Sent Wed 9/30/2009 11:12:03 PM BUY OR SELL-Is Vegas recovery reality or mirage for MGM? 25 September 2009 18:46 GMT Reuters News English (c) 2009 Reuters Limited • Shares up 60 percent so far this month • Macau joint venture a "hidden jewel" By Deena Beasley LOS ANGELES, Sept 25 (Reuters/ - Gamblers are sta