Hello, I'm new to PSP, and am looking to purchase one. I discussed it with my friend who recently bought a Vibrant Blue imported from Japan. I also tried to look online - and was looking at several US people selling their Invizimals edition. My question is - is there any difference - physical (e.g. colors) or not - other than the region locking - between the Japanese (Carnival Colors) edition and the American (Invizimals) edition? Thanks!