These are typically non-events, but the Apple Store is down for an unexpected updates:
![title backsoon1 300](http://images.macrumors.com/article/2007/12/17/title_backsoon1_300.gif)
It may simply be site changes related to the Christmas holiday. The site has been down for over 1 hour as of this writing.
Apple does also bring the store down for product updates, but these typically occur between 8-9am EST.
Update: Site is back up. No new products.