According to this article over at Pitchfork...

Pitchfork Article

...nearly all the other Tron Legacy snippets previously released were fake. Glad to hear that! However, I'm still not totally blown away by the music playing on the website...

Official Daft Punk Tron Soundtrack Site

But they've been doing so many fun things with websites for this movie that I fully expect something special, extra, unique, etc., to show up there before the release of the soundtrack/film in December.

I hope so, too.