What is the difference between ultimate ninja storm and the special edition one?

I just need to know so know which one to buy|||The special or Limited Edition version is packaged in a deluxe Steel Book case featuring alternate artwork with a protective slip cover, each copy of the Limited Edition comes with an exclusive soundtrack music CD featuring 18 original tracks, an individually numbered limited edition Laser Cell鈩?depicting Naruto and Sasuke in battle, and two exclusive limited edition collectible cards. the price of the regular version is $59.99 and the Limited Edition is $69.99.