Let's make sure we've got the concept behind GameCrush right. The Web site pays girls to play video games and live-chat with gamers (presumably somewhat lonely gamer boys), who pay for the privilege. This isn't a joke. This is GameCrush's business model. GameCrush is set to launch at 6 p.m. PDT Tuesday, and its premise, in theory, is simple. It's the gaming equivalent of buying a girl a drink to chat her up, the developers say. A Player (yes, they're called "Players") buys points--500 cost $8.25--and uses them to buy "game time" with a PlayDate (yes, they're called PlayDates). Xbox titles including Modern Warfare 2, Gears of War 2, Grand Theft Auto IV, and Halo 3 cost 400 points and last up to 10 minutes. PC-based casual games like Checkers, Battle Ship, Billiards Pool, Four Across, and Tic Tac Toe cost a little less. Players browse through PlayDate profiles, and once they find one they're interested in they can send a gaming invite. ...