Cinematic designer Lee Wilson at Bungie responds to some criticism that Halo 3 isn't as much of a graphical tour de force as games like Bioshock or Gears of War in an article at Pro-G:

He said: "It's completely immersive. The art direction is immaculate. It's not trying to be incredibly photo realistic or painting this grimy world. It's vibrant and it's fun and it's accessible."

Pro-G promises a longer interview a bit later.