From 0200-1500 PDT (GMT -8) this coming Tuesday (May 2nd) Xbox LIVE, Xbox.com along with the forums will be down for a period of 13 hours for some service and maintenance.

CHECK HERE TO SEE WHEN THIS IS IN YOUR TIME ZONE

There is no word on whether or not this is to add functionality, fix a specific issue or just general maintenance and cleaning. Who knows, it might even have to do with upgrading due to the rumors that E3 will bring tons and tons of content onto the Marketplace that will be in high demand. Stay tuned to see if any more info become available.