upgrade questions

  1. Windows 7 Upcoming upgrade questions:

    I have prebought the Win 7 "Upgrade" for 50 bucks that is due out in October. I have 2 pcs, one XP Pro and one laptop has been reformatted and clean install of win 7 RC. (love the win 7 btw) My questions: #1; will I receive a digital download? Or a disc in the mail? I ordered it thru Amazon and...