Natal for XBox 360

Natal was revealed at E3 and a lot of people are buzzing about how "revolutionary" it is. The developer says that it is beyond even what science fiction writers dream about. Critics point out that the demonstration looked scripted and fake (plus, the developer has a history of overhyping the technological innovation of his games).

My question is, Why would I want to play this game? It looks really boring compared to playing with my real son.

(HT: BHT)