[quote=grandsword]
Ain't it kind of like the prototype to SAO or something? In terms of concept, I mean.
[/quote]

You're thinking of [i].Hack://[/i]. Summer Wars is basically a straight remake of one of the films that made up part of [i]Digimon: The Movie[/i] (To the point of being directed by the same person).

EDIT: Also, sheet will be incoming once I figure out exactly what the [b]*EFF!*[/b] I'm doing.