If you reserve your copy of Ghostbusters at GameStop for the Xbox 360 or PS3 you will receive this bonus:

Reserve Ghostbusters and receive an exclusive in-game Ghostbusters 2 Flight Suit. The new suit updates your ghost busting look for the rigorous fashion standards of 1991, is more breathable than ever, and makes a statement of individuality without saying a word. This feature is available in single player and multiplayer modes. Available for online and in-store customers while supplies last.