California has a new millionaire’s tax, an item known as Prop 30 that was passed by voters last fall. The state takes 10 percent if you make beaucoup bucks and live in L.A., which many expect Dwight Howard to do for the next 5 years. Texas, on the other hand, has no state income tax. And Texas also happens to be the home of the Dallas Mavericks and Houston Rockets, two of the teams that will be courting Howard when he