So, when you send out the digital copies of alpha to the backers, how are they going to get it, through email obviously, but through what will we download it through? a special Uber link?
Most likely a link to a download for an alpha client that will download the actual game, simular to how starcraft or many MMOs work. It makes it simple (especially during alpha) to always have the latest game version since the client will download updates when started.