For anyone interested, here's an alternate race starter to replace the stock "non essential personel" voice when the server switches to race. It goes in the Gamedata/Sounds/Secondary folder. Make a copy of the original in case you change your mind after hearing it.
http://www.gamefront.com/files/23466143/racestart_7z
http://www.gamefront.com/files/23466143/racestart_7z