You've seen the story before, but it's all just done swimmingly well.
I think if I'd actually seen all of "la maison en petit cubes" before I voted for Best Animated Short, I might have switched my vote. It's quite heartbreaking.
By the way, was Kunio Kato's acceptance speech not one of the greatest you've ever heard? "Domo arigato, Mr. Roboto." Other than Dustin Lance Black's, it was my favorite of the night.