Regular edition- retailing @ $39.99
Special edition (available at Gamestop and EBgames ONLY)- retailing @ $49.99 includes the Terminal disc
Added for clarity:
BandaiNamco wrote: The Special Edition is available exclusively at GameStop and EB Games stores, as well as online through GameStop.com and EBgames.com. The limited run of the Special Edition includes an exclusive Haseo action figure, complete with detailed weapons, and the exciting Terminal Disc.
For more information on Vol.1//Rebirth visit: http://www.dothackers.net/gu.php and http://www.dothackers.net/localization_interview.php