[cbhl]

I thought the popular rumor was this was to help people with Nintendo 64 muscle memory, where the X corresponded (loosely) with where the A button was positioned, and the O corresponded to where the B was positioned.

[ANTSANTS]

You're wrong on both counts. B is still to the left of A on N64 controllers, and the PlayStation launched a year before the N64 in America.

[qu4z-2]

My SNES muscle memory prefers the Japanese version. :)