MotorStorm: Pacific Rift will drive into stores October 28. The PlayStation Blog also mentions that those who pre-order the title at GameStop will receive the demo. Beyond racing against the computer, the demo features split-screen racing against a real-life buddy.
Those wary of pre-order deals also have the option of downloading it from PSN ... even though they'll still have to pay for the privilege. It's available today in North America for those who purchased the fourth episode of Qore.