If you signed up for the random drawing to get into the New Xbox Experience early and didn't get in yet, you may want to start up your system now. Microsoft is letting everybody who signed up and who didn't get in yet the chance to experience the New Xbox Experience two days early!
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Instead of adding another 10,000 people to the preview program like we did last week, we've decided to do something a little different: everyone who successfully applied to the preview program (and submitted a valid console ID) will be getting the New Xbox Experience sometime within the next few hours. That’s right…we’re hooking everyone else up with NXE a bit early. If you signed up and are not prompted, that means you did not enter your console ID properly and you'll have to wait until Wednesday.
Again, if you signed up for the contest and didn't get in, boot up that Xbox 360 of yours. The New Xbox Experience awaits you.Source