Unfortunately it's at GameStop/EBGames...
http://www.gamestop.com/gs/weeklyad/current/100507/default.asp?affid=3002&mc_id=0921nl
PC ($49.99) & 360 ($59.99) versions comes out on 10-10-2007. Pre-order between today and 10-9-2007 to get the $5 off deal.
PS3 ($59.99) version is dated for...