There's been a lot of complaining about the Diablo 3 art style, specifically in the dungeons, not so much in the outside world.
Personally, I thought the game looked great. This new example of what it could look like (first time it was done on video) definitely looks good, but frankly, I'd be happy either way. Because no matter if the game is brighter or darker, it's going to be one of the best games ever made, because the gameplay looks FLAWLESS.
Anyway, here's a little something for all you who wanted to see what it might look like: