+1 to Githyanki route for more orderly and constructive villains. Since there's no alignment system in place, it could be nice for the various evil factions to represent the many different flavors of evil, and for the faction(s) you choose to help you flavor your character. Off the top of my head, we've got Goblins and Duergar Slaver Rebels as a more chaotic evil, the Absolute and Sharrans as being a more neutral evil, and the Gith as a more lawful evil (though none should be "limited" by such an alignment interpretation). Some forms of evil are more subtle and insidious, like controlling and manipulating the lives and minds of others, while others are more opportunistic (with varying degrees of moral bounds), and still others are rabid and murderous. As it stands today however, there is a woeful lack of content-based incentive to be evil, forcing the player to do the heavy lifting in justifying any action, as opposed to reacting to incentives and consequences. Faction-based camp followers may be a way around this to an extent.
I guess you could also then follow with the tieflings/maybe Selunites as chaotic good, druids/Harpers as neutral good, and the BG grand duke / Flaming Fist as lawful good. We'll see how it all comes together in the end. I was a little dissapointed that the shadow druids don't let you side with them even if you want to, that would make for an interesting neutral evil outcome where you eliminate the more outsider-tolerant druids, force out/kill the tieflings and shut down the grove, perhaps with a different situation regarding the goblin raid as well. Maybe we'll at least get to visit the Cloakwood in the later acts? It's on the map.
