Game Getter is a brand new group-buying online store that helps gamers buy their favorite games at a very low price. A very great alternative to Steam and other clients.
Discount Games on Game Getter


Also if it's your thing, you may be interested in Gmarketing, a professional marketing platform which helps game developers get their games known to the world. If you've always wondered how people make their games sell out to the public.
http://gmarketing.g-forums.net/