The Xbox Live Marketplace Black Friday Sale has now commenced for Xbox Live Gold members, featuring discounts on games and movies. (Sale prices will be available for everyone on November 24.) Not a Gold member? Existing Xbox Live members can purchase a 1-month Gold membership for $1, which is the best monthly rate we've seen this year. The sale itself boasts several price lows on popular game titles, and even a few titles for free. Sale ends November 30. A couple of best bets: