When a game as big as Grand Theft Auto IV gets delayed to '08, you'd expect the holiday season to look slimmer. That is not the case this year. In fact, the loss of GTA IV just means a dozen AAA games are coming instead of a baker's dozen. This glorious wealth of promising titles means gamers have a lot of options from now until the end of the year. But once you've picked up Halo 3, what else is worth spending your money on? IGN picked 20 games coming this fall worth checking out.