There are plenty of reasons to be an Xbox Live Gold member—you can game online, get demos early, etc. Now, Microsoft is now offering yet another incentive to attract new Xbox Live Gold-level members and to keep existing members: There will be weekly sales on content for Gold members. To kick off the promotion, Braid will be sold for 800 points, or $10. The regular price for Braid is 1,200 gamer points or $15. These deals won’t be on old content, either. Microsoft said the sales will be for the “hottest Arcade