NPC Schedules
I don't think that mandantory eating, drinking and trips to the bathroom will ever make it into a BioWare game, there is something disturbingly annoying about these "features".

Since U7 was brought up - which is one of my favourite games - I always thought that the "feeding simulation" parts of this game was a low point in game design, it was annoying as hell and didn't add anything (well, except for the annoyance factor) to the game experience.

If I want to feed people, I'd rather pick The Sims or The Sims 2 for that. RPGs (at least the ones we make) are about heroic deeds, villains, heroes, magic and adventure, not about simulationg "the perils of daily routine of a person who happens to stumble into a fantasy world".