Looks like this was missed by everyone (including the Major), but there has been a Fuzion Frenzy 2 demo on marketplace for gold members since last week. It is now available to all XBL members excpet in Japan.

Dash Details: Fuzion Frenzy 2 has arrived with even more futuristic arcade action plus new features like custom tournaments and Xbox Live multiplayer. Sample 3 of the more than forty mini-games and get a taste of the ultimate party game exclusive on Xbox 360!