Hi,
Does anyone know a site where you can bet on races between the time that fields are declared and the start of official betting. I keep hearing stories of people who claim that they've backed this or that and got better prices than the average Joe at the track.

Mostly these people claim to be "in the know" but are their stories true or just fanciful talking? If you can bet early, where pray tell. (I'm talking about fixed price of course not those rip off TAB sites)