Wouldn't surprise me if it hit $100 million in 2006. Poker is exploding. WSOP is on ESPN constantly, celebrity poker matches are aired. It's becoming extremely popular.
Actually, several reports have quietly revealed that American interest in poker has been on the decline since the late summer. Poker sites have lost traffic in a big way according to Alexa and others. And ratings for ESPN's poker shows have plummeted according to VNU-Nielsen.