With the future of online gaming looking profitable, it is important for each website to offer enough of a variety to maintain their base of regular players. If you do not provide the players, what they want you will lose those players to another website. Even games equivalent to those you play in live casinos such as Triple 7s need upgraded or replaced on a regular basis in order to keep the players' interest peaked.
New games come out on a regular basis, so you want to make sure you are aware of those additions and find a site that has the newest games. Although it may seem easier to play the games with which you are familiar, it’s more fun if you get into the habit of learning new games and thus increasing your adaptability to those newer games or newer versions of old games.