There won't be a new game on Xbox Live Arcade this week, though you might be too busy playing Grand Theft Auto IV to notice.
At least Microsoft probably hopes so. It made a sizeable financial investment -- Sony's Scott Steinberg called it "the GNP of several small Latin American countries" -- to secure exclusive downloadable GTA IV content for the Xbox 360, so the faster you fall in love with the game, the better.
Or maybe Microsoft just didn't have a game handy to put on the Arcade this week. It's worth noting, though, that you can get the Fork My Fruit Chessmaster content for free. Fork. My. Fruit. How can you possibly say no to that?