The real reason they sell the hard copies is fanservice for the obsessive collector crowd. Those people eat that shit up, a lot of people I know buy two copies and one goes in storage in case it's ever worth something. (then it ends up with Barry on Storage Wars
I do contract work for blizzard....if you have watched any of the videos on the Diablo 3 website (trailers, game play or classes description videos) That's my work!! I hate to brag but Im really proud of some of that stuff it was a big project for me.
I keep thinking I'll buy the game but I don't want to get a new computer.