Bungie writes:
"Twenty-five days out from launch, every engine in the studio powering the Halo 3: ODST machine is running at peak performance. As mentioned last week, you're more than welcome to sit shotgun alongside us as we speed towards 9/22, but if you're looking to go into ODST with fresh eyes, armed only with your own swelling anticipation, this mile marker is where you might want to just shut your eyes, hang on tight, and wait until we arrive at our final destination.
If you do decide to take in the scenery, don't blame us if you see some stuff that skirts the edges of Spoiler Country."