If you want to save some money pre-purchase Zombie Driver now and it will cost you 10% less! You can already do that on Steam and GamersGate. We hope that we can add more partners in the near future so you can download the game from your favourite location. The Steam version comes with 12 achievements so head on there now if you like collecting them :).
If you still aren't sure about pre-purchasing check out this new gameplay video.