Buffett does enjoy being a billionaire, but in offbeat ways. As he put it, though money cannot change your health or how many people love you, it lets you be in 'more interesting environments.
The main obstacle to further progress on the resource curse is China, and to a lesser extent India.
As I like to put it, we have hit pay dirt. The effort to cure the resource curse is a good example of what private foundations working with NGOs can accomplish.