The fact that the game will include PvP is almost a no-brainer, but the endgame has been stated to be diverse for all players. If you don't enjoy raiding, the game will still have a world story for players to explore and get engaged by. The world will feature both open areas and instances, as well, with a definite spread of different ways to ensure that players can experience the game with their friends. Last but not least, classes will be versatile and armor will be heavily customizable -- the game is being shaped to be something where each player can make his or her mark and have a unique look.
If the game interests you, our own staffers will be getting a hands-on experience with WildStar on Friday.