Pre-order either the PS3 or Xbox 360 version of Madden 10 and you'll get a sneak peak at the upcoming football game. GameStop is issuing an "exclusive" 20-minute demo that lets you relive the Super Bowl yet again with the Cardinals and the Steelers, while, according to Kotaku, everyone else will be able to download a shorter 8-minute demo between the Giants and the Cowboys.
We're not exactly sure how a free demo is meant to appease those that are already committed to buying the game, but at the very least, it's a far more compelling offer than, say, a free sample of Madden's short-lived recording career.
Source - GameStop pre-order announcement
Source - EA demo clarification