http://creators.xna.com/en-us/XboxLIVECommunityGames

>How will you be making payouts to community game developers, in cash or in Microsoft Points?
>We will not payout creators in points. All points generated by games will be converted to U.S. Dollars and
>then converted to the relevant currency.

むしろポイントとして貯めることができないように読み取れるんだが・・・