I hope that you're having a good time playing those retro-hits Root Beer Tapper and Paperboy — Microsoft decided that you probably need to catch up on your reading this week anyway and will be skipping releasing a new title this Wednesday.
Watch this well-intentioned-but-still-not-funny video from the Gamerscore Blog for the details:
Video: Xbox Live Arcade Forecast
Before you get too upset about this, try to remember: a week with no releases is better than a week with Root Beer Tapper as the only release. The good games are coming. I hope.