Well for a game centered around a city all about gambling, I think it's pathetic that you can only play three different half-assed games, then get kicked out of a casino.
During their interviews before the release they were saying how they had a programmer on staff who used to program casino games and that he was making the games for this one. So I don't get why they didn't have him put more games in. Slots, roulette and blackjack is just not enough for a full casino experience.
If you can simply re-load a save after going all in and losing your whole stack, then it somewhat removes the challenge. And winning a huge stack by going all in destroys the "economy" of the game, that you can simply get a fortune easily.
I'd almost prefer that a quest involved a Texas Hold 'Em Tournament. That I could get behind.
I'd sooner have more actual PLAY content. If I want to play casino games, I can go to a real life casino. Or, there are plenty of internet gambling sites.
Adding more games to the casino is unnecessary. If they're going to add anything, I want quests, weapons, armor, xp. Adding more games to casinos would be a wasted effort.