Since I'm now the site's resident Xbox 360 fanboy (we drew straws, I got the 360, John got the PS3, and Sean got the Revolution...well, that's not entirely true) I guess I'm the one who should point out that they added a ton of new content to the official Xbox 360
website according to this
post at Major Nelson. Looks like a few more scary MS marketing videos but the promise of new cool hidden stuff is there if you can find your way through their crummy user interface.