I'm not a big IGN fan and I don't much like Douglass C. Perry, but he does have a Perfect Dark Zero Impression
story from a behind closed doors meeting today.
Today, I saw a demo of Perfect Dark Zero running on a Xbox alpha kit (a PC) using an old ATI graphics card, not the final GPU from the Xbox 360, and was told the game was only using about 25% to 30% of the system's full power. And Perfect Dark Zero looked incredible. Incredible. It looked nearly as good as Gears of War, which, in my humble opinion is the best looking 360 game of the show so far (I saw that running in realtime too). So, simply put, Perfect Dark Zero shocked me.
I'm waiting to see what others say to make sure Douglass isn't putting his rose-colored glasses on with this.