I guess this story rolled out earlier today:
http://news.cnet.com/8301-10805_3-57584563-75/no-more-points-for-xbox-players-report-says/
As much as I like this move on microsoft's part, it makes me a little sad. I signed up to be one of their rewards members because I had a high enough gamerscore to get 2% back on every purchase through the marketplace. It's going to be interesting to see how they deal with folks like me who jumped into that boat.