Dearest Obsidian:
Whatever decisions you may take designing the game, be they more or less popular, the thing you must keep up with is not doing a full voiceover for the game.
Some important sentences for important NPCs, like in Planescape: Torment are enought to make the player read the rest of the conversation with the right voice in mind.
An alternative may be to record some random nonsense babbling with different emotions for each character, to show it's predisposition towards you.
Not having a full voiceover lets you, developers, way more resources (both time and money) to
