i don't know if this really counts as an encounter because it was planned, but I met and hung out with Daniel Negreneau for a couple of nights. My buddy is really good friends with his ex-wife (his wife at the time), and we met up with them at the Cheesecake Factory @ Caesars, where I got frickin' wasted. Then the next night we met up with at the sports bar at the Monte Carlo and then rode in his WSOP Player of the Year truck over to the Tropicana for the comedy show, where I got frickin' wasted, again. He's really laid back,and he actually coattailed me on a sports bet, we had Rutgers in a basketball game catching like 10.5, and they won, which brought on some Jager shots.
He's very cool and calm, you'd never know he is the most famous poker player in the world. He wouldn't let me pay for anything, which I actually don't like, I prefer to be the one spending the money, but he absolutely refused.
I also got in a limo one time out there, and the driver said that the night before, Iverson and his boys smoked about an ounce of weed in it while he drove them around town.