WBIE and Supergiant Games announce a PC edition of Bastion will be released through {Steam} on August 16th, where it is now available for pre-purchase. They say the Xbox LIVE Arcade version will be enhanced with high-resolution graphics and an all-new PC control scheme, and here's a bit more on the PC edition and the game itself:

The PC version of Bastion will be available DRM-free and include Steamworks support for Cloud saves, achievements, and leaderboards (Steam version only). Featuring lush and imaginative artwork in full 1080p resolution as well as an innovative reactive narration system that responds to players' actions in real time, the game challenges players to build a new world after a cataclysmic event shatters the land to pieces. As players journey into the wild unknown, they will confront savage beasts, forge an array of customizable weapons, and gain new powers from specially-brewed spirits as they become immersed in the game's rich atmosphere. Gameplay is designed to reward player skill, offering great customization including the new remappable PC control scheme. Bastion for PC will also support gamepad controllers.