Major Nelson's Blog writes:
"Today is Black Friday and we’ve just rolled out some special one-day only sales with pretty big savings for all Xbox LIVE Members around the world. Not near your console but still want in on the deals? Don’t worry, purchase the items on Xbox.com using the below links and when you get back to your console your items will be in your download queue.
These prices are available today only. After that the normal pricing will return.
Here is the list of items on sale for today only:"