The listing, 100 Microsoft points #1 has ended.
Points let everyone on Xbox LIVE—free and Gold members—pick up content to enhance their entertainment experience, opening up the Marketplace to everyone in the world that is connected to Xbox LIVE. Here are a few of the things you can get:
Full Xbox 360 games from Games on Demand—start playing in minutes! Hit Arcade and Indie games to download to your console. Extra maps, missions, levels, vehicles, and more with add-on packs for your favorite games. Avatar accessories like outfits, hats, or even a special animated pet. Rent or buy full movies or TV shows on demand from Zune Video.