Another announcement made with the CES keynote from Microsoft last week, was something referred to as House Party. The program will likely be a number of game releases, think it is along the lines of the "Summer of Arcade" promotion. The games which can be coming out look quite tempting at the same time.
Two of the largest games being coming to the Xbox 360 as a result of House Party are Beyond Good and Evil HD (a remake) and Torchlight, which is sometimes called a Diablo-esque RPG game. Torchlight may be remade to make use of the Xbox 360 controller for all those worried about money game.
The House Party starts on February 18th, by other games popping out on the service check here likewise.
No set prices are actually announced.