Mind you, it's DRM protected, so those of us on Linux are kinda hosed. And that's why you keep a windows box in the house.
According to the agreement, your purchasing that content key (so you have to input a code before playing and can play it on 3 registered computers.
I see no advantage to getting it via DVD so far. But I'm willing to download Guyver and try it out. Though, no linux - no deal for me. Sorry, but that's just the way it goes.
I'll let you guys know what I think.