It's a decent enough catchline, but "Rocky With Hooves" would have been just as apt for a story based on the best-selling book by Laura Hillenbrand, which features a heavyweight cast headed by Jeff Bridges, Chris Cooper and the Spiderman star, Tobey Maguire. Not surprisingly, the British Horseracing Board view Seabiscuit as a gilt-edged opportunity to sell racing to a new audience with the right demographic profile and disposable income to match.