I know that Stations Casinos let you bet online. They give you a disc to get into their computer system, and they call in intranet betting. I think MGM/Mirage does the same. And I've heard others talk about some pager system where you call them, and they call you back to bet by phone. But you have to be a Nevada resident, and you have to be physically in Nevada at the time of the wager. Why mess with it, when you can get better lines offshore? I don't think very many Las Vegas residents bet in Vegas.