http://www.dualshockers.com/2011/07/20/dead-island-pc-preodering-now-available/
Deep Silver has announced that Dead Island is available for pre-purchase through Steam today for PC players, so whip out your wallet and get on top of that. For those of you who cannot wait for its 4-player co-op mode, there will be a bundle package that you can get your hands on (if you wish to go in on it with three of your other buddies) for $149.97. This bundle will give you four copies of the game, letting you and three of your friends get a copy of the game for $39.99 for the PC version.Regular version of Dead Island for PC will be $49.99.