To the people who are the 10th and 20th person to register on these forums and post 20 times:
http://www.shockforums.com
PM me on the forums once you are complete to be entered. My username is Gwaki
According to their website the 360 orders would ship out Thursday the 24th.
If you are still looking for one here you go.
http://www.ebgames.com/ebx/categories/systems/xbox360/
"Limit 1 per customer. Due to high demand orders may not ship until March 24, 2006."