It's bigger than Vegas, is expected to do $23 billion in revenue by 2010, and boasts players such as MGM (NYSE: MGM), Wynn Resorts (Nasdaq: WYNN), Las Vegas Sands (NYSE: LVS), and Melco (Nasdaq: MPEL). So is it time for investors to bet on Macau? In this installment of "Fool Video," Online Managing Editor LouAnn DiCosmo asks senior analyst and recent Macau visitor Tim Hanson.