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I need to know so I can hold a copy at Gamestop if needs be. I'm really hoping it will be. It's the best way to purchase a game IMHO.
Doubt it. Haven't heard anything about Digital Distribution for the game so far, so there's a big chance of no.
I say hold a copy at gamespot, that's what I did, and it's better to have the DVD so if something ever happens, you and reinstall H2V.
Perhaps... check here when the game is released.
What it is.
You never know, it might appear on Microsoft Marketplace, but unlikely.