The company Eventcore (formerly ustechs) just registered the Domain
xboxevent.com yesterday (February 21th)
http://whois.domaintools.com/xboxevent.com
Eventcore plans and executes large events and meetings like 2013 AT&T developer summit (
http://www.whois.com/whois/2013devsummit.com) and they only acquire domains for events they are organizing.
https://www.eventcore.com/
They also have MS in their list of references. (e.g.
https://microsofthostingsummit.com/)
But especially this:
www.xboxe312.com (google cache) - official site for media registration for E3 2012 Keynote
This event is also managed by Eventcore and the domain was acquired also by them.
Now we compare both sites:
another example:
:o
Xbox event around the corner?