The official Halo 3 website is now live, providing the first way for North American and European gamers to gain access to the Halo 3 public multiplayer beta on Xbox 360. This is not the only way Xbox 360 gamers will have access to the beta, and registration at Halo3.com is not limited to a first-come-first-served basis. A new Halo 3 ad will air tonight during ESPN’s broadcast of Monday Night Football. Fans can tune in to ESPN tonight, Monday, Dec. 4 between 5:50 and 6:20 p.m. PST to catch this stunning new look at Halo 3. Additionally, the ad will also be aired tonight on Xbox.com at 8 p.m. PST /04.00 GMT/05.00 CET (Tuesday, Dec. 5 in Europe).