there's no difference between the two versions. they both include the same material. the IMPORT box is coming from the uk and this one is coming from a german-purchaser.
at the time the import box is more expansive. but i guess, that the price for the german version will change to 40-50¤ too. (at the beginning of february, when i preodered it, the german box-set was at 24,99¤)